Home / 3,375.89-4,658.66-1,863.59

Finding the Fourth Proportional to 3,375.89, 4,658.66 and 1,863.59

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Solution

The fourth proportional to 3,375.89, 4,658.66 and 1,863.59 is: 2,571.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.89 : 4,658.66 = 1,863.59 : x
  2. Step 2: Convert to fraction form
    3,375.89/4,658.66 = 1,863.59/x
  3. Step 3: Cross multiply
    3,375.89x = 4,658.66 × 1,863.59
  4. Step 4: Simplify right side
    3,375.89x = 8,681,832.19
  5. Step 5: Solve for x
    x = 8,681,832.19/3,375.89
  6. Step 6: Final answer
    x = 2,571.72

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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.