Home / 2,251.80-3,377.45-1,065.55

Finding the Fourth Proportional to 2,251.80, 3,377.45 and 1,065.55

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Solution

The fourth proportional to 2,251.80, 3,377.45 and 1,065.55 is: 1,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.80 : 3,377.45 = 1,065.55 : x
  2. Step 2: Convert to fraction form
    2,251.80/3,377.45 = 1,065.55/x
  3. Step 3: Cross multiply
    2,251.80x = 3,377.45 × 1,065.55
  4. Step 4: Simplify right side
    2,251.80x = 3,598,841.85
  5. Step 5: Solve for x
    x = 3,598,841.85/2,251.80
  6. Step 6: Final answer
    x = 1,598.21

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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.