Home / 2,171.52-3,249.90-1,306.44

Finding the Fourth Proportional to 2,171.52, 3,249.90 and 1,306.44

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Solution

The fourth proportional to 2,171.52, 3,249.90 and 1,306.44 is: 1,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.52 : 3,249.90 = 1,306.44 : x
  2. Step 2: Convert to fraction form
    2,171.52/3,249.90 = 1,306.44/x
  3. Step 3: Cross multiply
    2,171.52x = 3,249.90 × 1,306.44
  4. Step 4: Simplify right side
    2,171.52x = 4,245,799.36
  5. Step 5: Solve for x
    x = 4,245,799.36/2,171.52
  6. Step 6: Final answer
    x = 1,955.22

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1.5x scale

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.