Home / 3,952.80-5,927.22-2,312.58

Finding the Fourth Proportional to 3,952.80, 5,927.22 and 2,312.58

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Solution

The fourth proportional to 3,952.80, 5,927.22 and 2,312.58 is: 3,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.80 : 5,927.22 = 2,312.58 : x
  2. Step 2: Convert to fraction form
    3,952.80/5,927.22 = 2,312.58/x
  3. Step 3: Cross multiply
    3,952.80x = 5,927.22 × 2,312.58
  4. Step 4: Simplify right side
    3,952.80x = 13,707,170.43
  5. Step 5: Solve for x
    x = 13,707,170.43/3,952.80
  6. Step 6: Final answer
    x = 3,467.71

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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.