Home / 3,925.92-5,422.52-2,862

Finding the Fourth Proportional to 3,925.92, 5,422.52 and 2,862

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Solution

The fourth proportional to 3,925.92, 5,422.52 and 2,862 is: 3,953.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.92 : 5,422.52 = 2,862 : x
  2. Step 2: Convert to fraction form
    3,925.92/5,422.52 = 2,862/x
  3. Step 3: Cross multiply
    3,925.92x = 5,422.52 × 2,862
  4. Step 4: Simplify right side
    3,925.92x = 15,519,252.24
  5. Step 5: Solve for x
    x = 15,519,252.24/3,925.92
  6. Step 6: Final answer
    x = 3,953.02

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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.