Home / 2,551.88-3,519-2,403.06

Finding the Fourth Proportional to 2,551.88, 3,519 and 2,403.06

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Solution

The fourth proportional to 2,551.88, 3,519 and 2,403.06 is: 3,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.88 : 3,519 = 2,403.06 : x
  2. Step 2: Convert to fraction form
    2,551.88/3,519 = 2,403.06/x
  3. Step 3: Cross multiply
    2,551.88x = 3,519 × 2,403.06
  4. Step 4: Simplify right side
    2,551.88x = 8,456,354.94
  5. Step 5: Solve for x
    x = 8,456,354.94/2,551.88
  6. Step 6: Final answer
    x = 3,313.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.