Home / 2,652.52-3,979.56-1,265.90

Finding the Fourth Proportional to 2,652.52, 3,979.56 and 1,265.90

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Solution

The fourth proportional to 2,652.52, 3,979.56 and 1,265.90 is: 1,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.52 : 3,979.56 = 1,265.90 : x
  2. Step 2: Convert to fraction form
    2,652.52/3,979.56 = 1,265.90/x
  3. Step 3: Cross multiply
    2,652.52x = 3,979.56 × 1,265.90
  4. Step 4: Simplify right side
    2,652.52x = 5,037,732.75
  5. Step 5: Solve for x
    x = 5,037,732.75/2,652.52
  6. Step 6: Final answer
    x = 1,899.22

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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.