Home / 1,649.22-2,474.26-724.96

Finding the Fourth Proportional to 1,649.22, 2,474.26 and 724.96

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Solution

The fourth proportional to 1,649.22, 2,474.26 and 724.96 is: 1,087.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649.22 : 2,474.26 = 724.96 : x
  2. Step 2: Convert to fraction form
    1,649.22/2,474.26 = 724.96/x
  3. Step 3: Cross multiply
    1,649.22x = 2,474.26 × 724.96
  4. Step 4: Simplify right side
    1,649.22x = 1,793,744.89
  5. Step 5: Solve for x
    x = 1,793,744.89/1,649.22
  6. Step 6: Final answer
    x = 1,087.63

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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.