Home / 3,269.38-4,511.74-1,872.40

Finding the Fourth Proportional to 3,269.38, 4,511.74 and 1,872.40

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Solution

The fourth proportional to 3,269.38, 4,511.74 and 1,872.40 is: 2,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.38 : 4,511.74 = 1,872.40 : x
  2. Step 2: Convert to fraction form
    3,269.38/4,511.74 = 1,872.40/x
  3. Step 3: Cross multiply
    3,269.38x = 4,511.74 × 1,872.40
  4. Step 4: Simplify right side
    3,269.38x = 8,447,781.98
  5. Step 5: Solve for x
    x = 8,447,781.98/3,269.38
  6. Step 6: Final answer
    x = 2,583.91

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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.