Home / 2,263.76-3,396.20-724.72

Finding the Fourth Proportional to 2,263.76, 3,396.20 and 724.72

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Solution

The fourth proportional to 2,263.76, 3,396.20 and 724.72 is: 1,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.76 : 3,396.20 = 724.72 : x
  2. Step 2: Convert to fraction form
    2,263.76/3,396.20 = 724.72/x
  3. Step 3: Cross multiply
    2,263.76x = 3,396.20 × 724.72
  4. Step 4: Simplify right side
    2,263.76x = 2,461,294.06
  5. Step 5: Solve for x
    x = 2,461,294.06/2,263.76
  6. Step 6: Final answer
    x = 1,087.26

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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.