Home / 3,538.76-4,880.21-2,277.59

Finding the Fourth Proportional to 3,538.76, 4,880.21 and 2,277.59

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Solution

The fourth proportional to 3,538.76, 4,880.21 and 2,277.59 is: 3,140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.76 : 4,880.21 = 2,277.59 : x
  2. Step 2: Convert to fraction form
    3,538.76/4,880.21 = 2,277.59/x
  3. Step 3: Cross multiply
    3,538.76x = 4,880.21 × 2,277.59
  4. Step 4: Simplify right side
    3,538.76x = 11,115,081.70
  5. Step 5: Solve for x
    x = 11,115,081.70/3,538.76
  6. Step 6: Final answer
    x = 3,140.96

Related Problems

Find fourth proportional to 1,769.38, 2,440.10 and 1,138.79
Half scale
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Double scale
Find fourth proportional to 3,539.76, 4,881.58 and 2,278.59
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.