Home / 2,613.12-3,601.44-2,277.78

Finding the Fourth Proportional to 2,613.12, 3,601.44 and 2,277.78

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Solution

The fourth proportional to 2,613.12, 3,601.44 and 2,277.78 is: 3,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.12 : 3,601.44 = 2,277.78 : x
  2. Step 2: Convert to fraction form
    2,613.12/3,601.44 = 2,277.78/x
  3. Step 3: Cross multiply
    2,613.12x = 3,601.44 × 2,277.78
  4. Step 4: Simplify right side
    2,613.12x = 8,203,288.00
  5. Step 5: Solve for x
    x = 8,203,288.00/2,613.12
  6. Step 6: Final answer
    x = 3,139.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.