Home / 3,642.29-5,463.45-1,109.42

Finding the Fourth Proportional to 3,642.29, 5,463.45 and 1,109.42

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Solution

The fourth proportional to 3,642.29, 5,463.45 and 1,109.42 is: 1,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.29 : 5,463.45 = 1,109.42 : x
  2. Step 2: Convert to fraction form
    3,642.29/5,463.45 = 1,109.42/x
  3. Step 3: Cross multiply
    3,642.29x = 5,463.45 × 1,109.42
  4. Step 4: Simplify right side
    3,642.29x = 6,061,233.38
  5. Step 5: Solve for x
    x = 6,061,233.38/3,642.29
  6. Step 6: Final answer
    x = 1,664.13

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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.