Home / 3,280.60-4,524.34-2,580.76

Finding the Fourth Proportional to 3,280.60, 4,524.34 and 2,580.76

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Solution

The fourth proportional to 3,280.60, 4,524.34 and 2,580.76 is: 3,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.60 : 4,524.34 = 2,580.76 : x
  2. Step 2: Convert to fraction form
    3,280.60/4,524.34 = 2,580.76/x
  3. Step 3: Cross multiply
    3,280.60x = 4,524.34 × 2,580.76
  4. Step 4: Simplify right side
    3,280.60x = 11,676,235.70
  5. Step 5: Solve for x
    x = 11,676,235.70/3,280.60
  6. Step 6: Final answer
    x = 3,559.18

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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.