Home / 2,725.38-4,089.24-1,264.86

Finding the Fourth Proportional to 2,725.38, 4,089.24 and 1,264.86

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Solution

The fourth proportional to 2,725.38, 4,089.24 and 1,264.86 is: 1,897.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.38 : 4,089.24 = 1,264.86 : x
  2. Step 2: Convert to fraction form
    2,725.38/4,089.24 = 1,264.86/x
  3. Step 3: Cross multiply
    2,725.38x = 4,089.24 × 1,264.86
  4. Step 4: Simplify right side
    2,725.38x = 5,172,316.11
  5. Step 5: Solve for x
    x = 5,172,316.11/2,725.38
  6. Step 6: Final answer
    x = 1,897.83

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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.