Home / 2,756.95-4,132.35-1,195.15

Finding the Fourth Proportional to 2,756.95, 4,132.35 and 1,195.15

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Solution

The fourth proportional to 2,756.95, 4,132.35 and 1,195.15 is: 1,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.95 : 4,132.35 = 1,195.15 : x
  2. Step 2: Convert to fraction form
    2,756.95/4,132.35 = 1,195.15/x
  3. Step 3: Cross multiply
    2,756.95x = 4,132.35 × 1,195.15
  4. Step 4: Simplify right side
    2,756.95x = 4,938,778.10
  5. Step 5: Solve for x
    x = 4,938,778.10/2,756.95
  6. Step 6: Final answer
    x = 1,791.39

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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.