Home / 2,992.10-4,129.61-1,732.95

Finding the Fourth Proportional to 2,992.10, 4,129.61 and 1,732.95

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Solution

The fourth proportional to 2,992.10, 4,129.61 and 1,732.95 is: 2,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.10 : 4,129.61 = 1,732.95 : x
  2. Step 2: Convert to fraction form
    2,992.10/4,129.61 = 1,732.95/x
  3. Step 3: Cross multiply
    2,992.10x = 4,129.61 × 1,732.95
  4. Step 4: Simplify right side
    2,992.10x = 7,156,398.98
  5. Step 5: Solve for x
    x = 7,156,398.98/2,992.10
  6. Step 6: Final answer
    x = 2,391.76

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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.