Home / 2,949.46-4,423.51-1,305.11

Finding the Fourth Proportional to 2,949.46, 4,423.51 and 1,305.11

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Solution

The fourth proportional to 2,949.46, 4,423.51 and 1,305.11 is: 1,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.46 : 4,423.51 = 1,305.11 : x
  2. Step 2: Convert to fraction form
    2,949.46/4,423.51 = 1,305.11/x
  3. Step 3: Cross multiply
    2,949.46x = 4,423.51 × 1,305.11
  4. Step 4: Simplify right side
    2,949.46x = 5,773,167.14
  5. Step 5: Solve for x
    x = 5,773,167.14/2,949.46
  6. Step 6: Final answer
    x = 1,957.36

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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.