Home / 2,221.97-3,065.90-1,337.84

Finding the Fourth Proportional to 2,221.97, 3,065.90 and 1,337.84

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Solution

The fourth proportional to 2,221.97, 3,065.90 and 1,337.84 is: 1,845.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.97 : 3,065.90 = 1,337.84 : x
  2. Step 2: Convert to fraction form
    2,221.97/3,065.90 = 1,337.84/x
  3. Step 3: Cross multiply
    2,221.97x = 3,065.90 × 1,337.84
  4. Step 4: Simplify right side
    2,221.97x = 4,101,661.64
  5. Step 5: Solve for x
    x = 4,101,661.64/2,221.97
  6. Step 6: Final answer
    x = 1,845.96

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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.