Home / 1,631.16-2,446.89-461.17

Finding the Fourth Proportional to 1,631.16, 2,446.89 and 461.17

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Solution

The fourth proportional to 1,631.16, 2,446.89 and 461.17 is: 691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.16 : 2,446.89 = 461.17 : x
  2. Step 2: Convert to fraction form
    1,631.16/2,446.89 = 461.17/x
  3. Step 3: Cross multiply
    1,631.16x = 2,446.89 × 461.17
  4. Step 4: Simplify right side
    1,631.16x = 1,128,433.59
  5. Step 5: Solve for x
    x = 1,128,433.59/1,631.16
  6. Step 6: Final answer
    x = 691.80

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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.