Home / 3,127.16-4,691.38-1,568.18

Finding the Fourth Proportional to 3,127.16, 4,691.38 and 1,568.18

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Solution

The fourth proportional to 3,127.16, 4,691.38 and 1,568.18 is: 2,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.16 : 4,691.38 = 1,568.18 : x
  2. Step 2: Convert to fraction form
    3,127.16/4,691.38 = 1,568.18/x
  3. Step 3: Cross multiply
    3,127.16x = 4,691.38 × 1,568.18
  4. Step 4: Simplify right side
    3,127.16x = 7,356,928.29
  5. Step 5: Solve for x
    x = 7,356,928.29/3,127.16
  6. Step 6: Final answer
    x = 2,352.59

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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.