Home / 2,236.31-3,355.38-1,003.40

Finding the Fourth Proportional to 2,236.31, 3,355.38 and 1,003.40

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Solution

The fourth proportional to 2,236.31, 3,355.38 and 1,003.40 is: 1,505.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.31 : 3,355.38 = 1,003.40 : x
  2. Step 2: Convert to fraction form
    2,236.31/3,355.38 = 1,003.40/x
  3. Step 3: Cross multiply
    2,236.31x = 3,355.38 × 1,003.40
  4. Step 4: Simplify right side
    2,236.31x = 3,366,788.29
  5. Step 5: Solve for x
    x = 3,366,788.29/2,236.31
  6. Step 6: Final answer
    x = 1,505.51

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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.