Home / 2,691.38-4,037.01-1,049.07

Finding the Fourth Proportional to 2,691.38, 4,037.01 and 1,049.07

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Solution

The fourth proportional to 2,691.38, 4,037.01 and 1,049.07 is: 1,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.38 : 4,037.01 = 1,049.07 : x
  2. Step 2: Convert to fraction form
    2,691.38/4,037.01 = 1,049.07/x
  3. Step 3: Cross multiply
    2,691.38x = 4,037.01 × 1,049.07
  4. Step 4: Simplify right side
    2,691.38x = 4,235,106.08
  5. Step 5: Solve for x
    x = 4,235,106.08/2,691.38
  6. Step 6: Final answer
    x = 1,573.58

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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.