Home / 3,742.90-5,614.35-3,721.30

Finding the Fourth Proportional to 3,742.90, 5,614.35 and 3,721.30

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Solution

The fourth proportional to 3,742.90, 5,614.35 and 3,721.30 is: 5,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.90 : 5,614.35 = 3,721.30 : x
  2. Step 2: Convert to fraction form
    3,742.90/5,614.35 = 3,721.30/x
  3. Step 3: Cross multiply
    3,742.90x = 5,614.35 × 3,721.30
  4. Step 4: Simplify right side
    3,742.90x = 20,892,680.66
  5. Step 5: Solve for x
    x = 20,892,680.66/3,742.90
  6. Step 6: Final answer
    x = 5,581.95

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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.