Home / 4,132.70-5,705.35-3,186.42

Finding the Fourth Proportional to 4,132.70, 5,705.35 and 3,186.42

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Solution

The fourth proportional to 4,132.70, 5,705.35 and 3,186.42 is: 4,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,132.70 : 5,705.35 = 3,186.42 : x
  2. Step 2: Convert to fraction form
    4,132.70/5,705.35 = 3,186.42/x
  3. Step 3: Cross multiply
    4,132.70x = 5,705.35 × 3,186.42
  4. Step 4: Simplify right side
    4,132.70x = 18,179,612.82
  5. Step 5: Solve for x
    x = 18,179,612.82/4,132.70
  6. Step 6: Final answer
    x = 4,398.97

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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.