Home / 3,101.53-4,654.12-1,227.60

Finding the Fourth Proportional to 3,101.53, 4,654.12 and 1,227.60

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Solution

The fourth proportional to 3,101.53, 4,654.12 and 1,227.60 is: 1,842.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.53 : 4,654.12 = 1,227.60 : x
  2. Step 2: Convert to fraction form
    3,101.53/4,654.12 = 1,227.60/x
  3. Step 3: Cross multiply
    3,101.53x = 4,654.12 × 1,227.60
  4. Step 4: Simplify right side
    3,101.53x = 5,713,397.71
  5. Step 5: Solve for x
    x = 5,713,397.71/3,101.53
  6. Step 6: Final answer
    x = 1,842.12

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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.