Home / 3,713.85-5,569.88-1,080.65

Finding the Fourth Proportional to 3,713.85, 5,569.88 and 1,080.65

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Solution

The fourth proportional to 3,713.85, 5,569.88 and 1,080.65 is: 1,620.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.85 : 5,569.88 = 1,080.65 : x
  2. Step 2: Convert to fraction form
    3,713.85/5,569.88 = 1,080.65/x
  3. Step 3: Cross multiply
    3,713.85x = 5,569.88 × 1,080.65
  4. Step 4: Simplify right side
    3,713.85x = 6,019,057.57
  5. Step 5: Solve for x
    x = 6,019,057.57/3,713.85
  6. Step 6: Final answer
    x = 1,620.71

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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.