Home / 3,387.45-5,080.68-1,195.89

Finding the Fourth Proportional to 3,387.45, 5,080.68 and 1,195.89

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Solution

The fourth proportional to 3,387.45, 5,080.68 and 1,195.89 is: 1,793.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.45 : 5,080.68 = 1,195.89 : x
  2. Step 2: Convert to fraction form
    3,387.45/5,080.68 = 1,195.89/x
  3. Step 3: Cross multiply
    3,387.45x = 5,080.68 × 1,195.89
  4. Step 4: Simplify right side
    3,387.45x = 6,075,934.41
  5. Step 5: Solve for x
    x = 6,075,934.41/3,387.45
  6. Step 6: Final answer
    x = 1,793.66

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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.