Home / 1,517.19-2,273.90-650.49

Finding the Fourth Proportional to 1,517.19, 2,273.90 and 650.49

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Solution

The fourth proportional to 1,517.19, 2,273.90 and 650.49 is: 974.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.19 : 2,273.90 = 650.49 : x
  2. Step 2: Convert to fraction form
    1,517.19/2,273.90 = 650.49/x
  3. Step 3: Cross multiply
    1,517.19x = 2,273.90 × 650.49
  4. Step 4: Simplify right side
    1,517.19x = 1,479,145.96
  5. Step 5: Solve for x
    x = 1,479,145.96/1,517.19
  6. Step 6: Final answer
    x = 974.92

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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.