Home / 2,753.44-4,129.52-1,020.88

Finding the Fourth Proportional to 2,753.44, 4,129.52 and 1,020.88

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Solution

The fourth proportional to 2,753.44, 4,129.52 and 1,020.88 is: 1,531.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.44 : 4,129.52 = 1,020.88 : x
  2. Step 2: Convert to fraction form
    2,753.44/4,129.52 = 1,020.88/x
  3. Step 3: Cross multiply
    2,753.44x = 4,129.52 × 1,020.88
  4. Step 4: Simplify right side
    2,753.44x = 4,215,744.38
  5. Step 5: Solve for x
    x = 4,215,744.38/2,753.44
  6. Step 6: Final answer
    x = 1,531.08

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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.