Home / 3,165.17-4,747.70-1,217.79

Finding the Fourth Proportional to 3,165.17, 4,747.70 and 1,217.79

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Solution

The fourth proportional to 3,165.17, 4,747.70 and 1,217.79 is: 1,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.17 : 4,747.70 = 1,217.79 : x
  2. Step 2: Convert to fraction form
    3,165.17/4,747.70 = 1,217.79/x
  3. Step 3: Cross multiply
    3,165.17x = 4,747.70 × 1,217.79
  4. Step 4: Simplify right side
    3,165.17x = 5,781,695.49
  5. Step 5: Solve for x
    x = 5,781,695.49/3,165.17
  6. Step 6: Final answer
    x = 1,826.66

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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.