Home / 2,827.38-3,899.97-1,777.62

Finding the Fourth Proportional to 2,827.38, 3,899.97 and 1,777.62

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Solution

The fourth proportional to 2,827.38, 3,899.97 and 1,777.62 is: 2,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.38 : 3,899.97 = 1,777.62 : x
  2. Step 2: Convert to fraction form
    2,827.38/3,899.97 = 1,777.62/x
  3. Step 3: Cross multiply
    2,827.38x = 3,899.97 × 1,777.62
  4. Step 4: Simplify right side
    2,827.38x = 6,932,664.67
  5. Step 5: Solve for x
    x = 6,932,664.67/2,827.38
  6. Step 6: Final answer
    x = 2,451.97

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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.