Home / 2,777.13-4,164.87-2,288.97

Finding the Fourth Proportional to 2,777.13, 4,164.87 and 2,288.97

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Solution

The fourth proportional to 2,777.13, 4,164.87 and 2,288.97 is: 3,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.13 : 4,164.87 = 2,288.97 : x
  2. Step 2: Convert to fraction form
    2,777.13/4,164.87 = 2,288.97/x
  3. Step 3: Cross multiply
    2,777.13x = 4,164.87 × 2,288.97
  4. Step 4: Simplify right side
    2,777.13x = 9,533,262.48
  5. Step 5: Solve for x
    x = 9,533,262.48/2,777.13
  6. Step 6: Final answer
    x = 3,432.78

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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.