Home / 2,861.24-4,292.52-1,218.32

Finding the Fourth Proportional to 2,861.24, 4,292.52 and 1,218.32

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Solution

The fourth proportional to 2,861.24, 4,292.52 and 1,218.32 is: 1,827.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.24 : 4,292.52 = 1,218.32 : x
  2. Step 2: Convert to fraction form
    2,861.24/4,292.52 = 1,218.32/x
  3. Step 3: Cross multiply
    2,861.24x = 4,292.52 × 1,218.32
  4. Step 4: Simplify right side
    2,861.24x = 5,229,662.97
  5. Step 5: Solve for x
    x = 5,229,662.97/2,861.24
  6. Step 6: Final answer
    x = 1,827.76

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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.