Home / 3,068.47-4,234.17-1,949.01

Finding the Fourth Proportional to 3,068.47, 4,234.17 and 1,949.01

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Solution

The fourth proportional to 3,068.47, 4,234.17 and 1,949.01 is: 2,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.47 : 4,234.17 = 1,949.01 : x
  2. Step 2: Convert to fraction form
    3,068.47/4,234.17 = 1,949.01/x
  3. Step 3: Cross multiply
    3,068.47x = 4,234.17 × 1,949.01
  4. Step 4: Simplify right side
    3,068.47x = 8,252,439.67
  5. Step 5: Solve for x
    x = 8,252,439.67/3,068.47
  6. Step 6: Final answer
    x = 2,689.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.