Home / 3,171.39-4,373.60-2,174.91

Finding the Fourth Proportional to 3,171.39, 4,373.60 and 2,174.91

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Solution

The fourth proportional to 3,171.39, 4,373.60 and 2,174.91 is: 2,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.39 : 4,373.60 = 2,174.91 : x
  2. Step 2: Convert to fraction form
    3,171.39/4,373.60 = 2,174.91/x
  3. Step 3: Cross multiply
    3,171.39x = 4,373.60 × 2,174.91
  4. Step 4: Simplify right side
    3,171.39x = 9,512,175.50
  5. Step 5: Solve for x
    x = 9,512,175.50/3,171.39
  6. Step 6: Final answer
    x = 2,999.37

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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.