Home / 3,470.07-5,200.92-2,649.90

Finding the Fourth Proportional to 3,470.07, 5,200.92 and 2,649.90

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Solution

The fourth proportional to 3,470.07, 5,200.92 and 2,649.90 is: 3,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.07 : 5,200.92 = 2,649.90 : x
  2. Step 2: Convert to fraction form
    3,470.07/5,200.92 = 2,649.90/x
  3. Step 3: Cross multiply
    3,470.07x = 5,200.92 × 2,649.90
  4. Step 4: Simplify right side
    3,470.07x = 13,781,917.91
  5. Step 5: Solve for x
    x = 13,781,917.91/3,470.07
  6. Step 6: Final answer
    x = 3,971.65

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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.