Home / 2,171.26-3,257.56-632.26

Finding the Fourth Proportional to 2,171.26, 3,257.56 and 632.26

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Solution

The fourth proportional to 2,171.26, 3,257.56 and 632.26 is: 948.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.26 : 3,257.56 = 632.26 : x
  2. Step 2: Convert to fraction form
    2,171.26/3,257.56 = 632.26/x
  3. Step 3: Cross multiply
    2,171.26x = 3,257.56 × 632.26
  4. Step 4: Simplify right side
    2,171.26x = 2,059,624.89
  5. Step 5: Solve for x
    x = 2,059,624.89/2,171.26
  6. Step 6: Final answer
    x = 948.59

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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.