Home / 3,578.08-5,363.92-1,822.10

Finding the Fourth Proportional to 3,578.08, 5,363.92 and 1,822.10

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Solution

The fourth proportional to 3,578.08, 5,363.92 and 1,822.10 is: 2,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.08 : 5,363.92 = 1,822.10 : x
  2. Step 2: Convert to fraction form
    3,578.08/5,363.92 = 1,822.10/x
  3. Step 3: Cross multiply
    3,578.08x = 5,363.92 × 1,822.10
  4. Step 4: Simplify right side
    3,578.08x = 9,773,589.52
  5. Step 5: Solve for x
    x = 9,773,589.52/3,578.08
  6. Step 6: Final answer
    x = 2,731.52

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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.