Home / 3,344.76-4,615.37-1,928.91

Finding the Fourth Proportional to 3,344.76, 4,615.37 and 1,928.91

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Solution

The fourth proportional to 3,344.76, 4,615.37 and 1,928.91 is: 2,661.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.76 : 4,615.37 = 1,928.91 : x
  2. Step 2: Convert to fraction form
    3,344.76/4,615.37 = 1,928.91/x
  3. Step 3: Cross multiply
    3,344.76x = 4,615.37 × 1,928.91
  4. Step 4: Simplify right side
    3,344.76x = 8,902,623.70
  5. Step 5: Solve for x
    x = 8,902,623.70/3,344.76
  6. Step 6: Final answer
    x = 2,661.67

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Double scale
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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.