Home / 3,787.40-5,224.82-2,668.95

Finding the Fourth Proportional to 3,787.40, 5,224.82 and 2,668.95

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Solution

The fourth proportional to 3,787.40, 5,224.82 and 2,668.95 is: 3,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.40 : 5,224.82 = 2,668.95 : x
  2. Step 2: Convert to fraction form
    3,787.40/5,224.82 = 2,668.95/x
  3. Step 3: Cross multiply
    3,787.40x = 5,224.82 × 2,668.95
  4. Step 4: Simplify right side
    3,787.40x = 13,944,769.99
  5. Step 5: Solve for x
    x = 13,944,769.99/3,787.40
  6. Step 6: Final answer
    x = 3,681.89

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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.