Home / 3,967.67-5,475.45-2,175.13

Finding the Fourth Proportional to 3,967.67, 5,475.45 and 2,175.13

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Solution

The fourth proportional to 3,967.67, 5,475.45 and 2,175.13 is: 3,001.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.67 : 5,475.45 = 2,175.13 : x
  2. Step 2: Convert to fraction form
    3,967.67/5,475.45 = 2,175.13/x
  3. Step 3: Cross multiply
    3,967.67x = 5,475.45 × 2,175.13
  4. Step 4: Simplify right side
    3,967.67x = 11,909,815.56
  5. Step 5: Solve for x
    x = 11,909,815.56/3,967.67
  6. Step 6: Final answer
    x = 3,001.72

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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.