Home / 3,381.60-5,067.17-2,639.45

Finding the Fourth Proportional to 3,381.60, 5,067.17 and 2,639.45

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Solution

The fourth proportional to 3,381.60, 5,067.17 and 2,639.45 is: 3,955.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.60 : 5,067.17 = 2,639.45 : x
  2. Step 2: Convert to fraction form
    3,381.60/5,067.17 = 2,639.45/x
  3. Step 3: Cross multiply
    3,381.60x = 5,067.17 × 2,639.45
  4. Step 4: Simplify right side
    3,381.60x = 13,374,541.86
  5. Step 5: Solve for x
    x = 13,374,541.86/3,381.60
  6. Step 6: Final answer
    x = 3,955.09

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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.