Home / 3,180.05-4,746.68-2,957.21

Finding the Fourth Proportional to 3,180.05, 4,746.68 and 2,957.21

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Solution

The fourth proportional to 3,180.05, 4,746.68 and 2,957.21 is: 4,414.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.05 : 4,746.68 = 2,957.21 : x
  2. Step 2: Convert to fraction form
    3,180.05/4,746.68 = 2,957.21/x
  3. Step 3: Cross multiply
    3,180.05x = 4,746.68 × 2,957.21
  4. Step 4: Simplify right side
    3,180.05x = 14,036,891.04
  5. Step 5: Solve for x
    x = 14,036,891.04/3,180.05
  6. Step 6: Final answer
    x = 4,414.05

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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.