Home / 2,634.17-3,951.90-785.25

Finding the Fourth Proportional to 2,634.17, 3,951.90 and 785.25

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Solution

The fourth proportional to 2,634.17, 3,951.90 and 785.25 is: 1,178.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.17 : 3,951.90 = 785.25 : x
  2. Step 2: Convert to fraction form
    2,634.17/3,951.90 = 785.25/x
  3. Step 3: Cross multiply
    2,634.17x = 3,951.90 × 785.25
  4. Step 4: Simplify right side
    2,634.17x = 3,103,229.48
  5. Step 5: Solve for x
    x = 3,103,229.48/2,634.17
  6. Step 6: Final answer
    x = 1,178.07

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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.