Home / 3,132.06-4,319.56-2,069.87

Finding the Fourth Proportional to 3,132.06, 4,319.56 and 2,069.87

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Solution

The fourth proportional to 3,132.06, 4,319.56 and 2,069.87 is: 2,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.06 : 4,319.56 = 2,069.87 : x
  2. Step 2: Convert to fraction form
    3,132.06/4,319.56 = 2,069.87/x
  3. Step 3: Cross multiply
    3,132.06x = 4,319.56 × 2,069.87
  4. Step 4: Simplify right side
    3,132.06x = 8,940,927.66
  5. Step 5: Solve for x
    x = 8,940,927.66/3,132.06
  6. Step 6: Final answer
    x = 2,854.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.