Home / 2,757.36-4,135.44-1,296.12

Finding the Fourth Proportional to 2,757.36, 4,135.44 and 1,296.12

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Solution

The fourth proportional to 2,757.36, 4,135.44 and 1,296.12 is: 1,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.36 : 4,135.44 = 1,296.12 : x
  2. Step 2: Convert to fraction form
    2,757.36/4,135.44 = 1,296.12/x
  3. Step 3: Cross multiply
    2,757.36x = 4,135.44 × 1,296.12
  4. Step 4: Simplify right side
    2,757.36x = 5,360,026.49
  5. Step 5: Solve for x
    x = 5,360,026.49/2,757.36
  6. Step 6: Final answer
    x = 1,943.90

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1.5x scale

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.