Home / 2,861.68-4,293.98-2,168.08

Finding the Fourth Proportional to 2,861.68, 4,293.98 and 2,168.08

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Solution

The fourth proportional to 2,861.68, 4,293.98 and 2,168.08 is: 3,253.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.68 : 4,293.98 = 2,168.08 : x
  2. Step 2: Convert to fraction form
    2,861.68/4,293.98 = 2,168.08/x
  3. Step 3: Cross multiply
    2,861.68x = 4,293.98 × 2,168.08
  4. Step 4: Simplify right side
    2,861.68x = 9,309,692.16
  5. Step 5: Solve for x
    x = 9,309,692.16/2,861.68
  6. Step 6: Final answer
    x = 3,253.23

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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.