Home / 3,174.64-4,753.76-2,190.49

Finding the Fourth Proportional to 3,174.64, 4,753.76 and 2,190.49

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Solution

The fourth proportional to 3,174.64, 4,753.76 and 2,190.49 is: 3,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.64 : 4,753.76 = 2,190.49 : x
  2. Step 2: Convert to fraction form
    3,174.64/4,753.76 = 2,190.49/x
  3. Step 3: Cross multiply
    3,174.64x = 4,753.76 × 2,190.49
  4. Step 4: Simplify right side
    3,174.64x = 10,413,086.13
  5. Step 5: Solve for x
    x = 10,413,086.13/3,174.64
  6. Step 6: Final answer
    x = 3,280.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.