Home / 2,339.11-3,226.85-1,442.44

Finding the Fourth Proportional to 2,339.11, 3,226.85 and 1,442.44

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Solution

The fourth proportional to 2,339.11, 3,226.85 and 1,442.44 is: 1,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.11 : 3,226.85 = 1,442.44 : x
  2. Step 2: Convert to fraction form
    2,339.11/3,226.85 = 1,442.44/x
  3. Step 3: Cross multiply
    2,339.11x = 3,226.85 × 1,442.44
  4. Step 4: Simplify right side
    2,339.11x = 4,654,521.38
  5. Step 5: Solve for x
    x = 4,654,521.38/2,339.11
  6. Step 6: Final answer
    x = 1,989.87

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Half scale
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Double scale
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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.