Home / 3,813.28-5,721.84-2,715.04

Finding the Fourth Proportional to 3,813.28, 5,721.84 and 2,715.04

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Solution

The fourth proportional to 3,813.28, 5,721.84 and 2,715.04 is: 4,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.28 : 5,721.84 = 2,715.04 : x
  2. Step 2: Convert to fraction form
    3,813.28/5,721.84 = 2,715.04/x
  3. Step 3: Cross multiply
    3,813.28x = 5,721.84 × 2,715.04
  4. Step 4: Simplify right side
    3,813.28x = 15,535,024.47
  5. Step 5: Solve for x
    x = 15,535,024.47/3,813.28
  6. Step 6: Final answer
    x = 4,073.93

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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.