Home / 3,056.38-4,218.82-2,174.74

Finding the Fourth Proportional to 3,056.38, 4,218.82 and 2,174.74

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Solution

The fourth proportional to 3,056.38, 4,218.82 and 2,174.74 is: 3,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.38 : 4,218.82 = 2,174.74 : x
  2. Step 2: Convert to fraction form
    3,056.38/4,218.82 = 2,174.74/x
  3. Step 3: Cross multiply
    3,056.38x = 4,218.82 × 2,174.74
  4. Step 4: Simplify right side
    3,056.38x = 9,174,836.61
  5. Step 5: Solve for x
    x = 9,174,836.61/3,056.38
  6. Step 6: Final answer
    x = 3,001.86

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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.