Home / 2,753.38-4,130.68-1,292.55

Finding the Fourth Proportional to 2,753.38, 4,130.68 and 1,292.55

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Solution

The fourth proportional to 2,753.38, 4,130.68 and 1,292.55 is: 1,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.38 : 4,130.68 = 1,292.55 : x
  2. Step 2: Convert to fraction form
    2,753.38/4,130.68 = 1,292.55/x
  3. Step 3: Cross multiply
    2,753.38x = 4,130.68 × 1,292.55
  4. Step 4: Simplify right side
    2,753.38x = 5,339,110.43
  5. Step 5: Solve for x
    x = 5,339,110.43/2,753.38
  6. Step 6: Final answer
    x = 1,939.11

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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.