Home / 2,784.27-4,177.31-2,397.90

Finding the Fourth Proportional to 2,784.27, 4,177.31 and 2,397.90

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Solution

The fourth proportional to 2,784.27, 4,177.31 and 2,397.90 is: 3,597.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.27 : 4,177.31 = 2,397.90 : x
  2. Step 2: Convert to fraction form
    2,784.27/4,177.31 = 2,397.90/x
  3. Step 3: Cross multiply
    2,784.27x = 4,177.31 × 2,397.90
  4. Step 4: Simplify right side
    2,784.27x = 10,016,759.66
  5. Step 5: Solve for x
    x = 10,016,759.66/2,784.27
  6. Step 6: Final answer
    x = 3,597.63

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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.