Home / 1,512.30-2,269.17-732.96

Finding the Fourth Proportional to 1,512.30, 2,269.17 and 732.96

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Solution

The fourth proportional to 1,512.30, 2,269.17 and 732.96 is: 1,099.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.30 : 2,269.17 = 732.96 : x
  2. Step 2: Convert to fraction form
    1,512.30/2,269.17 = 732.96/x
  3. Step 3: Cross multiply
    1,512.30x = 2,269.17 × 732.96
  4. Step 4: Simplify right side
    1,512.30x = 1,663,210.84
  5. Step 5: Solve for x
    x = 1,663,210.84/1,512.30
  6. Step 6: Final answer
    x = 1,099.79

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1.5x scale

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.