Home / 2,385.27-3,289.46-1,880.19

Finding the Fourth Proportional to 2,385.27, 3,289.46 and 1,880.19

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Solution

The fourth proportional to 2,385.27, 3,289.46 and 1,880.19 is: 2,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.27 : 3,289.46 = 1,880.19 : x
  2. Step 2: Convert to fraction form
    2,385.27/3,289.46 = 1,880.19/x
  3. Step 3: Cross multiply
    2,385.27x = 3,289.46 × 1,880.19
  4. Step 4: Simplify right side
    2,385.27x = 6,184,800.40
  5. Step 5: Solve for x
    x = 6,184,800.40/2,385.27
  6. Step 6: Final answer
    x = 2,592.91

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,386.27, 3,290.83 and 1,881.19
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.