Home / 3,589.24-5,384.19-1,398.13

Finding the Fourth Proportional to 3,589.24, 5,384.19 and 1,398.13

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Solution

The fourth proportional to 3,589.24, 5,384.19 and 1,398.13 is: 2,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.24 : 5,384.19 = 1,398.13 : x
  2. Step 2: Convert to fraction form
    3,589.24/5,384.19 = 1,398.13/x
  3. Step 3: Cross multiply
    3,589.24x = 5,384.19 × 1,398.13
  4. Step 4: Simplify right side
    3,589.24x = 7,527,797.56
  5. Step 5: Solve for x
    x = 7,527,797.56/3,589.24
  6. Step 6: Final answer
    x = 2,097.32

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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.