Home / 3,462.20-5,192.08-2,143.92

Finding the Fourth Proportional to 3,462.20, 5,192.08 and 2,143.92

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Solution

The fourth proportional to 3,462.20, 5,192.08 and 2,143.92 is: 3,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.20 : 5,192.08 = 2,143.92 : x
  2. Step 2: Convert to fraction form
    3,462.20/5,192.08 = 2,143.92/x
  3. Step 3: Cross multiply
    3,462.20x = 5,192.08 × 2,143.92
  4. Step 4: Simplify right side
    3,462.20x = 11,131,398.79
  5. Step 5: Solve for x
    x = 11,131,398.79/3,462.20
  6. Step 6: Final answer
    x = 3,215.13

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1.5x scale

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.