Home / 3,742.71-5,613.81-2,077.62

Finding the Fourth Proportional to 3,742.71, 5,613.81 and 2,077.62

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Solution

The fourth proportional to 3,742.71, 5,613.81 and 2,077.62 is: 3,116.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.71 : 5,613.81 = 2,077.62 : x
  2. Step 2: Convert to fraction form
    3,742.71/5,613.81 = 2,077.62/x
  3. Step 3: Cross multiply
    3,742.71x = 5,613.81 × 2,077.62
  4. Step 4: Simplify right side
    3,742.71x = 11,663,363.93
  5. Step 5: Solve for x
    x = 11,663,363.93/3,742.71
  6. Step 6: Final answer
    x = 3,116.29

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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.