Home / 3,743.10-5,614.65-3,678.30

Finding the Fourth Proportional to 3,743.10, 5,614.65 and 3,678.30

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Solution

The fourth proportional to 3,743.10, 5,614.65 and 3,678.30 is: 5,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.10 : 5,614.65 = 3,678.30 : x
  2. Step 2: Convert to fraction form
    3,743.10/5,614.65 = 3,678.30/x
  3. Step 3: Cross multiply
    3,743.10x = 5,614.65 × 3,678.30
  4. Step 4: Simplify right side
    3,743.10x = 20,652,367.10
  5. Step 5: Solve for x
    x = 20,652,367.10/3,743.10
  6. Step 6: Final answer
    x = 5,517.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.