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Finding the Fourth Proportional to 2,750.86, 3,796.20 and 1,508.86

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Solution

The fourth proportional to 2,750.86, 3,796.20 and 1,508.86 is: 2,082.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.86 : 3,796.20 = 1,508.86 : x
  2. Step 2: Convert to fraction form
    2,750.86/3,796.20 = 1,508.86/x
  3. Step 3: Cross multiply
    2,750.86x = 3,796.20 × 1,508.86
  4. Step 4: Simplify right side
    2,750.86x = 5,727,934.33
  5. Step 5: Solve for x
    x = 5,727,934.33/2,750.86
  6. Step 6: Final answer
    x = 2,082.23

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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.