Home / 3,589.36-5,382.66-1,397.80

Finding the Fourth Proportional to 3,589.36, 5,382.66 and 1,397.80

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Solution

The fourth proportional to 3,589.36, 5,382.66 and 1,397.80 is: 2,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.36 : 5,382.66 = 1,397.80 : x
  2. Step 2: Convert to fraction form
    3,589.36/5,382.66 = 1,397.80/x
  3. Step 3: Cross multiply
    3,589.36x = 5,382.66 × 1,397.80
  4. Step 4: Simplify right side
    3,589.36x = 7,523,882.15
  5. Step 5: Solve for x
    x = 7,523,882.15/3,589.36
  6. Step 6: Final answer
    x = 2,096.16

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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.