Home / 2,757.29-4,134.51-1,113.39

Finding the Fourth Proportional to 2,757.29, 4,134.51 and 1,113.39

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Solution

The fourth proportional to 2,757.29, 4,134.51 and 1,113.39 is: 1,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.29 : 4,134.51 = 1,113.39 : x
  2. Step 2: Convert to fraction form
    2,757.29/4,134.51 = 1,113.39/x
  3. Step 3: Cross multiply
    2,757.29x = 4,134.51 × 1,113.39
  4. Step 4: Simplify right side
    2,757.29x = 4,603,322.09
  5. Step 5: Solve for x
    x = 4,603,322.09/2,757.29
  6. Step 6: Final answer
    x = 1,669.51

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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.