Home / 2,220.13-3,330.20-576.55

Finding the Fourth Proportional to 2,220.13, 3,330.20 and 576.55

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Solution

The fourth proportional to 2,220.13, 3,330.20 and 576.55 is: 864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.13 : 3,330.20 = 576.55 : x
  2. Step 2: Convert to fraction form
    2,220.13/3,330.20 = 576.55/x
  3. Step 3: Cross multiply
    2,220.13x = 3,330.20 × 576.55
  4. Step 4: Simplify right side
    2,220.13x = 1,920,029.17
  5. Step 5: Solve for x
    x = 1,920,029.17/2,220.13
  6. Step 6: Final answer
    x = 864.83

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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.