Home / 3,589.10-5,384.66-1,398.45

Finding the Fourth Proportional to 3,589.10, 5,384.66 and 1,398.45

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Solution

The fourth proportional to 3,589.10, 5,384.66 and 1,398.45 is: 2,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.10 : 5,384.66 = 1,398.45 : x
  2. Step 2: Convert to fraction form
    3,589.10/5,384.66 = 1,398.45/x
  3. Step 3: Cross multiply
    3,589.10x = 5,384.66 × 1,398.45
  4. Step 4: Simplify right side
    3,589.10x = 7,530,181.27
  5. Step 5: Solve for x
    x = 7,530,181.27/3,589.10
  6. Step 6: Final answer
    x = 2,098.07

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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.