Home / 2,759.56-4,135.96-1,296.76

Finding the Fourth Proportional to 2,759.56, 4,135.96 and 1,296.76

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Solution

The fourth proportional to 2,759.56, 4,135.96 and 1,296.76 is: 1,943.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.56 : 4,135.96 = 1,296.76 : x
  2. Step 2: Convert to fraction form
    2,759.56/4,135.96 = 1,296.76/x
  3. Step 3: Cross multiply
    2,759.56x = 4,135.96 × 1,296.76
  4. Step 4: Simplify right side
    2,759.56x = 5,363,347.49
  5. Step 5: Solve for x
    x = 5,363,347.49/2,759.56
  6. Step 6: Final answer
    x = 1,943.55

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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.