Home / 2,817.11-4,201.64-2,472.66

Finding the Fourth Proportional to 2,817.11, 4,201.64 and 2,472.66

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Solution

The fourth proportional to 2,817.11, 4,201.64 and 2,472.66 is: 3,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.11 : 4,201.64 = 2,472.66 : x
  2. Step 2: Convert to fraction form
    2,817.11/4,201.64 = 2,472.66/x
  3. Step 3: Cross multiply
    2,817.11x = 4,201.64 × 2,472.66
  4. Step 4: Simplify right side
    2,817.11x = 10,389,224.07
  5. Step 5: Solve for x
    x = 10,389,224.07/2,817.11
  6. Step 6: Final answer
    x = 3,687.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.