Home / 3,269.91-4,512.13-1,943.44

Finding the Fourth Proportional to 3,269.91, 4,512.13 and 1,943.44

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Solution

The fourth proportional to 3,269.91, 4,512.13 and 1,943.44 is: 2,681.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.91 : 4,512.13 = 1,943.44 : x
  2. Step 2: Convert to fraction form
    3,269.91/4,512.13 = 1,943.44/x
  3. Step 3: Cross multiply
    3,269.91x = 4,512.13 × 1,943.44
  4. Step 4: Simplify right side
    3,269.91x = 8,769,053.93
  5. Step 5: Solve for x
    x = 8,769,053.93/3,269.91
  6. Step 6: Final answer
    x = 2,681.74

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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.