Home / 3,712.25-5,568.66-1,247.06

Finding the Fourth Proportional to 3,712.25, 5,568.66 and 1,247.06

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Solution

The fourth proportional to 3,712.25, 5,568.66 and 1,247.06 is: 1,870.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.25 : 5,568.66 = 1,247.06 : x
  2. Step 2: Convert to fraction form
    3,712.25/5,568.66 = 1,247.06/x
  3. Step 3: Cross multiply
    3,712.25x = 5,568.66 × 1,247.06
  4. Step 4: Simplify right side
    3,712.25x = 6,944,425.30
  5. Step 5: Solve for x
    x = 6,944,425.30/3,712.25
  6. Step 6: Final answer
    x = 1,870.68

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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.