Home / 1,759.11-2,640.39-1,295.58

Finding the Fourth Proportional to 1,759.11, 2,640.39 and 1,295.58

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Solution

The fourth proportional to 1,759.11, 2,640.39 and 1,295.58 is: 1,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.11 : 2,640.39 = 1,295.58 : x
  2. Step 2: Convert to fraction form
    1,759.11/2,640.39 = 1,295.58/x
  3. Step 3: Cross multiply
    1,759.11x = 2,640.39 × 1,295.58
  4. Step 4: Simplify right side
    1,759.11x = 3,420,836.48
  5. Step 5: Solve for x
    x = 3,420,836.48/1,759.11
  6. Step 6: Final answer
    x = 1,944.64

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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.