Home / 2,187.04-3,281.17-954.56

Finding the Fourth Proportional to 2,187.04, 3,281.17 and 954.56

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Solution

The fourth proportional to 2,187.04, 3,281.17 and 954.56 is: 1,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.04 : 3,281.17 = 954.56 : x
  2. Step 2: Convert to fraction form
    2,187.04/3,281.17 = 954.56/x
  3. Step 3: Cross multiply
    2,187.04x = 3,281.17 × 954.56
  4. Step 4: Simplify right side
    2,187.04x = 3,132,073.64
  5. Step 5: Solve for x
    x = 3,132,073.64/2,187.04
  6. Step 6: Final answer
    x = 1,432.11

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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.