Home / 3,531.40-5,287.68-2,917.82

Finding the Fourth Proportional to 3,531.40, 5,287.68 and 2,917.82

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Solution

The fourth proportional to 3,531.40, 5,287.68 and 2,917.82 is: 4,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.40 : 5,287.68 = 2,917.82 : x
  2. Step 2: Convert to fraction form
    3,531.40/5,287.68 = 2,917.82/x
  3. Step 3: Cross multiply
    3,531.40x = 5,287.68 × 2,917.82
  4. Step 4: Simplify right side
    3,531.40x = 15,428,511.68
  5. Step 5: Solve for x
    x = 15,428,511.68/3,531.40
  6. Step 6: Final answer
    x = 4,368.95

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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.