Home / 1,520.76-2,092.96-1,253.04

Finding the Fourth Proportional to 1,520.76, 2,092.96 and 1,253.04

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Solution

The fourth proportional to 1,520.76, 2,092.96 and 1,253.04 is: 1,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520.76 : 2,092.96 = 1,253.04 : x
  2. Step 2: Convert to fraction form
    1,520.76/2,092.96 = 1,253.04/x
  3. Step 3: Cross multiply
    1,520.76x = 2,092.96 × 1,253.04
  4. Step 4: Simplify right side
    1,520.76x = 2,622,562.60
  5. Step 5: Solve for x
    x = 2,622,562.60/1,520.76
  6. Step 6: Final answer
    x = 1,724.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.