Home / 3,280.98-4,531.41-2,543.85

Finding the Fourth Proportional to 3,280.98, 4,531.41 and 2,543.85

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Solution

The fourth proportional to 3,280.98, 4,531.41 and 2,543.85 is: 3,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.98 : 4,531.41 = 2,543.85 : x
  2. Step 2: Convert to fraction form
    3,280.98/4,531.41 = 2,543.85/x
  3. Step 3: Cross multiply
    3,280.98x = 4,531.41 × 2,543.85
  4. Step 4: Simplify right side
    3,280.98x = 11,527,227.33
  5. Step 5: Solve for x
    x = 11,527,227.33/3,280.98
  6. Step 6: Final answer
    x = 3,513.35

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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.