Home / 2,220.27-3,330.87-833.58

Finding the Fourth Proportional to 2,220.27, 3,330.87 and 833.58

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Solution

The fourth proportional to 2,220.27, 3,330.87 and 833.58 is: 1,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.27 : 3,330.87 = 833.58 : x
  2. Step 2: Convert to fraction form
    2,220.27/3,330.87 = 833.58/x
  3. Step 3: Cross multiply
    2,220.27x = 3,330.87 × 833.58
  4. Step 4: Simplify right side
    2,220.27x = 2,776,546.61
  5. Step 5: Solve for x
    x = 2,776,546.61/2,220.27
  6. Step 6: Final answer
    x = 1,250.54

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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.