Home / 3,848.31-5,770.64-1,997.56

Finding the Fourth Proportional to 3,848.31, 5,770.64 and 1,997.56

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Solution

The fourth proportional to 3,848.31, 5,770.64 and 1,997.56 is: 2,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.31 : 5,770.64 = 1,997.56 : x
  2. Step 2: Convert to fraction form
    3,848.31/5,770.64 = 1,997.56/x
  3. Step 3: Cross multiply
    3,848.31x = 5,770.64 × 1,997.56
  4. Step 4: Simplify right side
    3,848.31x = 11,527,211.85
  5. Step 5: Solve for x
    x = 11,527,211.85/3,848.31
  6. Step 6: Final answer
    x = 2,995.40

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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.