Home / 3,317.70-4,969.17-2,143.92

Finding the Fourth Proportional to 3,317.70, 4,969.17 and 2,143.92

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Solution

The fourth proportional to 3,317.70, 4,969.17 and 2,143.92 is: 3,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.70 : 4,969.17 = 2,143.92 : x
  2. Step 2: Convert to fraction form
    3,317.70/4,969.17 = 2,143.92/x
  3. Step 3: Cross multiply
    3,317.70x = 4,969.17 × 2,143.92
  4. Step 4: Simplify right side
    3,317.70x = 10,653,502.95
  5. Step 5: Solve for x
    x = 10,653,502.95/3,317.70
  6. Step 6: Final answer
    x = 3,211.11

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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.