Home / 3,280.56-4,914.36-2,459.76

Finding the Fourth Proportional to 3,280.56, 4,914.36 and 2,459.76

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Solution

The fourth proportional to 3,280.56, 4,914.36 and 2,459.76 is: 3,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.56 : 4,914.36 = 2,459.76 : x
  2. Step 2: Convert to fraction form
    3,280.56/4,914.36 = 2,459.76/x
  3. Step 3: Cross multiply
    3,280.56x = 4,914.36 × 2,459.76
  4. Step 4: Simplify right side
    3,280.56x = 12,088,146.15
  5. Step 5: Solve for x
    x = 12,088,146.15/3,280.56
  6. Step 6: Final answer
    x = 3,684.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.