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Finding the Fourth Proportional to 3,800.05, 5,699.80 and 1,026.88

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Solution

The fourth proportional to 3,800.05, 5,699.80 and 1,026.88 is: 1,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.05 : 5,699.80 = 1,026.88 : x
  2. Step 2: Convert to fraction form
    3,800.05/5,699.80 = 1,026.88/x
  3. Step 3: Cross multiply
    3,800.05x = 5,699.80 × 1,026.88
  4. Step 4: Simplify right side
    3,800.05x = 5,853,010.62
  5. Step 5: Solve for x
    x = 5,853,010.62/3,800.05
  6. Step 6: Final answer
    x = 1,540.25

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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.