Home / 2,861.38-4,292.97-1,217.08

Finding the Fourth Proportional to 2,861.38, 4,292.97 and 1,217.08

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Solution

The fourth proportional to 2,861.38, 4,292.97 and 1,217.08 is: 1,826.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.38 : 4,292.97 = 1,217.08 : x
  2. Step 2: Convert to fraction form
    2,861.38/4,292.97 = 1,217.08/x
  3. Step 3: Cross multiply
    2,861.38x = 4,292.97 × 1,217.08
  4. Step 4: Simplify right side
    2,861.38x = 5,224,887.93
  5. Step 5: Solve for x
    x = 5,224,887.93/2,861.38
  6. Step 6: Final answer
    x = 1,826.00

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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.