Home / 1,759.12-2,641.34-1,396.85

Finding the Fourth Proportional to 1,759.12, 2,641.34 and 1,396.85

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Solution

The fourth proportional to 1,759.12, 2,641.34 and 1,396.85 is: 2,097.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.12 : 2,641.34 = 1,396.85 : x
  2. Step 2: Convert to fraction form
    1,759.12/2,641.34 = 1,396.85/x
  3. Step 3: Cross multiply
    1,759.12x = 2,641.34 × 1,396.85
  4. Step 4: Simplify right side
    1,759.12x = 3,689,546.06
  5. Step 5: Solve for x
    x = 3,689,546.06/1,759.12
  6. Step 6: Final answer
    x = 2,097.38

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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.