Home / 3,853.20-5,781.01-1,662.96

Finding the Fourth Proportional to 3,853.20, 5,781.01 and 1,662.96

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Solution

The fourth proportional to 3,853.20, 5,781.01 and 1,662.96 is: 2,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.20 : 5,781.01 = 1,662.96 : x
  2. Step 2: Convert to fraction form
    3,853.20/5,781.01 = 1,662.96/x
  3. Step 3: Cross multiply
    3,853.20x = 5,781.01 × 1,662.96
  4. Step 4: Simplify right side
    3,853.20x = 9,613,588.39
  5. Step 5: Solve for x
    x = 9,613,588.39/3,853.20
  6. Step 6: Final answer
    x = 2,494.96

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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.