Home / 3,943.91-5,442.44-2,175.54

Finding the Fourth Proportional to 3,943.91, 5,442.44 and 2,175.54

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Solution

The fourth proportional to 3,943.91, 5,442.44 and 2,175.54 is: 3,002.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.91 : 5,442.44 = 2,175.54 : x
  2. Step 2: Convert to fraction form
    3,943.91/5,442.44 = 2,175.54/x
  3. Step 3: Cross multiply
    3,943.91x = 5,442.44 × 2,175.54
  4. Step 4: Simplify right side
    3,943.91x = 11,840,235.04
  5. Step 5: Solve for x
    x = 11,840,235.04/3,943.91
  6. Step 6: Final answer
    x = 3,002.16

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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.