Home / 1,551.20-2,324.10-1,003.10

Finding the Fourth Proportional to 1,551.20, 2,324.10 and 1,003.10

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Solution

The fourth proportional to 1,551.20, 2,324.10 and 1,003.10 is: 1,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.20 : 2,324.10 = 1,003.10 : x
  2. Step 2: Convert to fraction form
    1,551.20/2,324.10 = 1,003.10/x
  3. Step 3: Cross multiply
    1,551.20x = 2,324.10 × 1,003.10
  4. Step 4: Simplify right side
    1,551.20x = 2,331,304.71
  5. Step 5: Solve for x
    x = 2,331,304.71/1,551.20
  6. Step 6: Final answer
    x = 1,502.90

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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.