Home / 2,171.48-3,257.19-710.73

Finding the Fourth Proportional to 2,171.48, 3,257.19 and 710.73

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Solution

The fourth proportional to 2,171.48, 3,257.19 and 710.73 is: 1,066.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.48 : 3,257.19 = 710.73 : x
  2. Step 2: Convert to fraction form
    2,171.48/3,257.19 = 710.73/x
  3. Step 3: Cross multiply
    2,171.48x = 3,257.19 × 710.73
  4. Step 4: Simplify right side
    2,171.48x = 2,314,982.65
  5. Step 5: Solve for x
    x = 2,314,982.65/2,171.48
  6. Step 6: Final answer
    x = 1,066.09

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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.