Home / 2,291.41-3,437.58-731.38

Finding the Fourth Proportional to 2,291.41, 3,437.58 and 731.38

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Solution

The fourth proportional to 2,291.41, 3,437.58 and 731.38 is: 1,097.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.41 : 3,437.58 = 731.38 : x
  2. Step 2: Convert to fraction form
    2,291.41/3,437.58 = 731.38/x
  3. Step 3: Cross multiply
    2,291.41x = 3,437.58 × 731.38
  4. Step 4: Simplify right side
    2,291.41x = 2,514,177.26
  5. Step 5: Solve for x
    x = 2,514,177.26/2,291.41
  6. Step 6: Final answer
    x = 1,097.22

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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.