Home / 3,125.08-4,311.06-2,132.68

Finding the Fourth Proportional to 3,125.08, 4,311.06 and 2,132.68

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Solution

The fourth proportional to 3,125.08, 4,311.06 and 2,132.68 is: 2,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.08 : 4,311.06 = 2,132.68 : x
  2. Step 2: Convert to fraction form
    3,125.08/4,311.06 = 2,132.68/x
  3. Step 3: Cross multiply
    3,125.08x = 4,311.06 × 2,132.68
  4. Step 4: Simplify right side
    3,125.08x = 9,194,111.44
  5. Step 5: Solve for x
    x = 9,194,111.44/3,125.08
  6. Step 6: Final answer
    x = 2,942.04

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1.5x scale

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.