Home / 2,558.90-3,833.32-1,327.11

Finding the Fourth Proportional to 2,558.90, 3,833.32 and 1,327.11

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Solution

The fourth proportional to 2,558.90, 3,833.32 and 1,327.11 is: 1,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.90 : 3,833.32 = 1,327.11 : x
  2. Step 2: Convert to fraction form
    2,558.90/3,833.32 = 1,327.11/x
  3. Step 3: Cross multiply
    2,558.90x = 3,833.32 × 1,327.11
  4. Step 4: Simplify right side
    2,558.90x = 5,087,230.67
  5. Step 5: Solve for x
    x = 5,087,230.67/2,558.90
  6. Step 6: Final answer
    x = 1,988.06

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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.