Home / 2,221.12-3,332.06-759.92

Finding the Fourth Proportional to 2,221.12, 3,332.06 and 759.92

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Solution

The fourth proportional to 2,221.12, 3,332.06 and 759.92 is: 1,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.12 : 3,332.06 = 759.92 : x
  2. Step 2: Convert to fraction form
    2,221.12/3,332.06 = 759.92/x
  3. Step 3: Cross multiply
    2,221.12x = 3,332.06 × 759.92
  4. Step 4: Simplify right side
    2,221.12x = 2,532,095.24
  5. Step 5: Solve for x
    x = 2,532,095.24/2,221.12
  6. Step 6: Final answer
    x = 1,140.01

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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.