Home / 2,220.10-3,063.78-1,335.73

Finding the Fourth Proportional to 2,220.10, 3,063.78 and 1,335.73

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Solution

The fourth proportional to 2,220.10, 3,063.78 and 1,335.73 is: 1,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.10 : 3,063.78 = 1,335.73 : x
  2. Step 2: Convert to fraction form
    2,220.10/3,063.78 = 1,335.73/x
  3. Step 3: Cross multiply
    2,220.10x = 3,063.78 × 1,335.73
  4. Step 4: Simplify right side
    2,220.10x = 4,092,382.86
  5. Step 5: Solve for x
    x = 4,092,382.86/2,220.10
  6. Step 6: Final answer
    x = 1,843.33

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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.