Home / 3,213.57-4,814.85-1,753.75

Finding the Fourth Proportional to 3,213.57, 4,814.85 and 1,753.75

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Solution

The fourth proportional to 3,213.57, 4,814.85 and 1,753.75 is: 2,627.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.57 : 4,814.85 = 1,753.75 : x
  2. Step 2: Convert to fraction form
    3,213.57/4,814.85 = 1,753.75/x
  3. Step 3: Cross multiply
    3,213.57x = 4,814.85 × 1,753.75
  4. Step 4: Simplify right side
    3,213.57x = 8,444,019.11
  5. Step 5: Solve for x
    x = 8,444,019.11/3,213.57
  6. Step 6: Final answer
    x = 2,627.62

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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.