Home / 2,861.38-4,268.12-2,393.92

Finding the Fourth Proportional to 2,861.38, 4,268.12 and 2,393.92

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Solution

The fourth proportional to 2,861.38, 4,268.12 and 2,393.92 is: 3,570.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.38 : 4,268.12 = 2,393.92 : x
  2. Step 2: Convert to fraction form
    2,861.38/4,268.12 = 2,393.92/x
  3. Step 3: Cross multiply
    2,861.38x = 4,268.12 × 2,393.92
  4. Step 4: Simplify right side
    2,861.38x = 10,217,537.83
  5. Step 5: Solve for x
    x = 10,217,537.83/2,861.38
  6. Step 6: Final answer
    x = 3,570.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.