Home / 1,454.72-2,180.85-1,180.13

Finding the Fourth Proportional to 1,454.72, 2,180.85 and 1,180.13

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Solution

The fourth proportional to 1,454.72, 2,180.85 and 1,180.13 is: 1,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.72 : 2,180.85 = 1,180.13 : x
  2. Step 2: Convert to fraction form
    1,454.72/2,180.85 = 1,180.13/x
  3. Step 3: Cross multiply
    1,454.72x = 2,180.85 × 1,180.13
  4. Step 4: Simplify right side
    1,454.72x = 2,573,675.61
  5. Step 5: Solve for x
    x = 2,573,675.61/1,454.72
  6. Step 6: Final answer
    x = 1,769.20

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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.