Home / 3,631.13-5,447.43-1,439.94

Finding the Fourth Proportional to 3,631.13, 5,447.43 and 1,439.94

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Solution

The fourth proportional to 3,631.13, 5,447.43 and 1,439.94 is: 2,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.13 : 5,447.43 = 1,439.94 : x
  2. Step 2: Convert to fraction form
    3,631.13/5,447.43 = 1,439.94/x
  3. Step 3: Cross multiply
    3,631.13x = 5,447.43 × 1,439.94
  4. Step 4: Simplify right side
    3,631.13x = 7,843,972.35
  5. Step 5: Solve for x
    x = 7,843,972.35/3,631.13
  6. Step 6: Final answer
    x = 2,160.20

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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.