Home / 3,517.84-5,278.60-2,284.96

Finding the Fourth Proportional to 3,517.84, 5,278.60 and 2,284.96

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Solution

The fourth proportional to 3,517.84, 5,278.60 and 2,284.96 is: 3,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.84 : 5,278.60 = 2,284.96 : x
  2. Step 2: Convert to fraction form
    3,517.84/5,278.60 = 2,284.96/x
  3. Step 3: Cross multiply
    3,517.84x = 5,278.60 × 2,284.96
  4. Step 4: Simplify right side
    3,517.84x = 12,061,389.86
  5. Step 5: Solve for x
    x = 12,061,389.86/3,517.84
  6. Step 6: Final answer
    x = 3,428.64

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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.