Home / 2,427.31-3,642.48-1,110.85

Finding the Fourth Proportional to 2,427.31, 3,642.48 and 1,110.85

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Solution

The fourth proportional to 2,427.31, 3,642.48 and 1,110.85 is: 1,666.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.31 : 3,642.48 = 1,110.85 : x
  2. Step 2: Convert to fraction form
    2,427.31/3,642.48 = 1,110.85/x
  3. Step 3: Cross multiply
    2,427.31x = 3,642.48 × 1,110.85
  4. Step 4: Simplify right side
    2,427.31x = 4,046,243.35
  5. Step 5: Solve for x
    x = 4,046,243.35/2,427.31
  6. Step 6: Final answer
    x = 1,666.97

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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.