Home / 3,672.92-5,068.78-2,181.62

Finding the Fourth Proportional to 3,672.92, 5,068.78 and 2,181.62

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Solution

The fourth proportional to 3,672.92, 5,068.78 and 2,181.62 is: 3,010.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.92 : 5,068.78 = 2,181.62 : x
  2. Step 2: Convert to fraction form
    3,672.92/5,068.78 = 2,181.62/x
  3. Step 3: Cross multiply
    3,672.92x = 5,068.78 × 2,181.62
  4. Step 4: Simplify right side
    3,672.92x = 11,058,151.82
  5. Step 5: Solve for x
    x = 11,058,151.82/3,672.92
  6. Step 6: Final answer
    x = 3,010.72

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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.