Home / 3,132.16-4,677.37-2,949.91

Finding the Fourth Proportional to 3,132.16, 4,677.37 and 2,949.91

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Solution

The fourth proportional to 3,132.16, 4,677.37 and 2,949.91 is: 4,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.16 : 4,677.37 = 2,949.91 : x
  2. Step 2: Convert to fraction form
    3,132.16/4,677.37 = 2,949.91/x
  3. Step 3: Cross multiply
    3,132.16x = 4,677.37 × 2,949.91
  4. Step 4: Simplify right side
    3,132.16x = 13,797,801.47
  5. Step 5: Solve for x
    x = 13,797,801.47/3,132.16
  6. Step 6: Final answer
    x = 4,405.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.