Home / 3,381.40-5,067.30-1,646.20

Finding the Fourth Proportional to 3,381.40, 5,067.30 and 1,646.20

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Solution

The fourth proportional to 3,381.40, 5,067.30 and 1,646.20 is: 2,466.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.40 : 5,067.30 = 1,646.20 : x
  2. Step 2: Convert to fraction form
    3,381.40/5,067.30 = 1,646.20/x
  3. Step 3: Cross multiply
    3,381.40x = 5,067.30 × 1,646.20
  4. Step 4: Simplify right side
    3,381.40x = 8,341,789.26
  5. Step 5: Solve for x
    x = 8,341,789.26/3,381.40
  6. Step 6: Final answer
    x = 2,466.96

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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.