Home / 3,269.28-4,512.06-1,872.12

Finding the Fourth Proportional to 3,269.28, 4,512.06 and 1,872.12

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Solution

The fourth proportional to 3,269.28, 4,512.06 and 1,872.12 is: 2,583.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.28 : 4,512.06 = 1,872.12 : x
  2. Step 2: Convert to fraction form
    3,269.28/4,512.06 = 1,872.12/x
  3. Step 3: Cross multiply
    3,269.28x = 4,512.06 × 1,872.12
  4. Step 4: Simplify right side
    3,269.28x = 8,447,117.77
  5. Step 5: Solve for x
    x = 8,447,117.77/3,269.28
  6. Step 6: Final answer
    x = 2,583.79

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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.