Home / 3,269.42-4,512.45-1,942.86

Finding the Fourth Proportional to 3,269.42, 4,512.45 and 1,942.86

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Solution

The fourth proportional to 3,269.42, 4,512.45 and 1,942.86 is: 2,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.42 : 4,512.45 = 1,942.86 : x
  2. Step 2: Convert to fraction form
    3,269.42/4,512.45 = 1,942.86/x
  3. Step 3: Cross multiply
    3,269.42x = 4,512.45 × 1,942.86
  4. Step 4: Simplify right side
    3,269.42x = 8,767,058.61
  5. Step 5: Solve for x
    x = 8,767,058.61/3,269.42
  6. Step 6: Final answer
    x = 2,681.54

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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.