Home / 3,724.08-5,138.92-2,045.44

Finding the Fourth Proportional to 3,724.08, 5,138.92 and 2,045.44

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Solution

The fourth proportional to 3,724.08, 5,138.92 and 2,045.44 is: 2,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.08 : 5,138.92 = 2,045.44 : x
  2. Step 2: Convert to fraction form
    3,724.08/5,138.92 = 2,045.44/x
  3. Step 3: Cross multiply
    3,724.08x = 5,138.92 × 2,045.44
  4. Step 4: Simplify right side
    3,724.08x = 10,511,352.52
  5. Step 5: Solve for x
    x = 10,511,352.52/3,724.08
  6. Step 6: Final answer
    x = 2,822.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.