Home / 1,348.12-2,023.28-699.04

Finding the Fourth Proportional to 1,348.12, 2,023.28 and 699.04

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Solution

The fourth proportional to 1,348.12, 2,023.28 and 699.04 is: 1,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.12 : 2,023.28 = 699.04 : x
  2. Step 2: Convert to fraction form
    1,348.12/2,023.28 = 699.04/x
  3. Step 3: Cross multiply
    1,348.12x = 2,023.28 × 699.04
  4. Step 4: Simplify right side
    1,348.12x = 1,414,353.65
  5. Step 5: Solve for x
    x = 1,414,353.65/1,348.12
  6. Step 6: Final answer
    x = 1,049.13

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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.