Home / 2,171.33-3,248.92-1,294.30

Finding the Fourth Proportional to 2,171.33, 3,248.92 and 1,294.30

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Solution

The fourth proportional to 2,171.33, 3,248.92 and 1,294.30 is: 1,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.33 : 3,248.92 = 1,294.30 : x
  2. Step 2: Convert to fraction form
    2,171.33/3,248.92 = 1,294.30/x
  3. Step 3: Cross multiply
    2,171.33x = 3,248.92 × 1,294.30
  4. Step 4: Simplify right side
    2,171.33x = 4,205,077.16
  5. Step 5: Solve for x
    x = 4,205,077.16/2,171.33
  6. Step 6: Final answer
    x = 1,936.64

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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.