Home / 5,319.71-7,979.56-2,394.60

Finding the Fourth Proportional to 5,319.71, 7,979.56 and 2,394.60

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Solution

The fourth proportional to 5,319.71, 7,979.56 and 2,394.60 is: 3,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.71 : 7,979.56 = 2,394.60 : x
  2. Step 2: Convert to fraction form
    5,319.71/7,979.56 = 2,394.60/x
  3. Step 3: Cross multiply
    5,319.71x = 7,979.56 × 2,394.60
  4. Step 4: Simplify right side
    5,319.71x = 19,107,854.38
  5. Step 5: Solve for x
    x = 19,107,854.38/5,319.71
  6. Step 6: Final answer
    x = 3,591.90

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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.