Home / 3,753.04-5,178.84-2,181.22

Finding the Fourth Proportional to 3,753.04, 5,178.84 and 2,181.22

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Solution

The fourth proportional to 3,753.04, 5,178.84 and 2,181.22 is: 3,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.04 : 5,178.84 = 2,181.22 : x
  2. Step 2: Convert to fraction form
    3,753.04/5,178.84 = 2,181.22/x
  3. Step 3: Cross multiply
    3,753.04x = 5,178.84 × 2,181.22
  4. Step 4: Simplify right side
    3,753.04x = 11,296,189.38
  5. Step 5: Solve for x
    x = 11,296,189.38/3,753.04
  6. Step 6: Final answer
    x = 3,009.88

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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.