Home / 2,368.10-3,551.91-724.65

Finding the Fourth Proportional to 2,368.10, 3,551.91 and 724.65

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Solution

The fourth proportional to 2,368.10, 3,551.91 and 724.65 is: 1,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.10 : 3,551.91 = 724.65 : x
  2. Step 2: Convert to fraction form
    2,368.10/3,551.91 = 724.65/x
  3. Step 3: Cross multiply
    2,368.10x = 3,551.91 × 724.65
  4. Step 4: Simplify right side
    2,368.10x = 2,573,891.58
  5. Step 5: Solve for x
    x = 2,573,891.58/2,368.10
  6. Step 6: Final answer
    x = 1,086.90

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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.