Home / 3,379.34-4,665.18-2,122.22

Finding the Fourth Proportional to 3,379.34, 4,665.18 and 2,122.22

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Solution

The fourth proportional to 3,379.34, 4,665.18 and 2,122.22 is: 2,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.34 : 4,665.18 = 2,122.22 : x
  2. Step 2: Convert to fraction form
    3,379.34/4,665.18 = 2,122.22/x
  3. Step 3: Cross multiply
    3,379.34x = 4,665.18 × 2,122.22
  4. Step 4: Simplify right side
    3,379.34x = 9,900,514.97
  5. Step 5: Solve for x
    x = 9,900,514.97/3,379.34
  6. Step 6: Final answer
    x = 2,929.72

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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.