Home / 3,321.24-4,982.40-1,589.28

Finding the Fourth Proportional to 3,321.24, 4,982.40 and 1,589.28

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Solution

The fourth proportional to 3,321.24, 4,982.40 and 1,589.28 is: 2,384.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.24 : 4,982.40 = 1,589.28 : x
  2. Step 2: Convert to fraction form
    3,321.24/4,982.40 = 1,589.28/x
  3. Step 3: Cross multiply
    3,321.24x = 4,982.40 × 1,589.28
  4. Step 4: Simplify right side
    3,321.24x = 7,918,428.67
  5. Step 5: Solve for x
    x = 7,918,428.67/3,321.24
  6. Step 6: Final answer
    x = 2,384.18

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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.