Home / 2,776.60-4,165.19-927.73

Finding the Fourth Proportional to 2,776.60, 4,165.19 and 927.73

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Solution

The fourth proportional to 2,776.60, 4,165.19 and 927.73 is: 1,391.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.60 : 4,165.19 = 927.73 : x
  2. Step 2: Convert to fraction form
    2,776.60/4,165.19 = 927.73/x
  3. Step 3: Cross multiply
    2,776.60x = 4,165.19 × 927.73
  4. Step 4: Simplify right side
    2,776.60x = 3,864,171.72
  5. Step 5: Solve for x
    x = 3,864,171.72/2,776.60
  6. Step 6: Final answer
    x = 1,391.69

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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.