Home / 3,950.28-5,451.42-2,378.04

Finding the Fourth Proportional to 3,950.28, 5,451.42 and 2,378.04

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Solution

The fourth proportional to 3,950.28, 5,451.42 and 2,378.04 is: 3,281.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.28 : 5,451.42 = 2,378.04 : x
  2. Step 2: Convert to fraction form
    3,950.28/5,451.42 = 2,378.04/x
  3. Step 3: Cross multiply
    3,950.28x = 5,451.42 × 2,378.04
  4. Step 4: Simplify right side
    3,950.28x = 12,963,694.82
  5. Step 5: Solve for x
    x = 12,963,694.82/3,950.28
  6. Step 6: Final answer
    x = 3,281.72

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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.