Home / 3,219.52-4,442.18-2,333.78

Finding the Fourth Proportional to 3,219.52, 4,442.18 and 2,333.78

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Solution

The fourth proportional to 3,219.52, 4,442.18 and 2,333.78 is: 3,220.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.52 : 4,442.18 = 2,333.78 : x
  2. Step 2: Convert to fraction form
    3,219.52/4,442.18 = 2,333.78/x
  3. Step 3: Cross multiply
    3,219.52x = 4,442.18 × 2,333.78
  4. Step 4: Simplify right side
    3,219.52x = 10,367,091.73
  5. Step 5: Solve for x
    x = 10,367,091.73/3,219.52
  6. Step 6: Final answer
    x = 3,220.07

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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.