Home / 1,759.11-2,427.26-1,137.75

Finding the Fourth Proportional to 1,759.11, 2,427.26 and 1,137.75

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Solution

The fourth proportional to 1,759.11, 2,427.26 and 1,137.75 is: 1,569.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.11 : 2,427.26 = 1,137.75 : x
  2. Step 2: Convert to fraction form
    1,759.11/2,427.26 = 1,137.75/x
  3. Step 3: Cross multiply
    1,759.11x = 2,427.26 × 1,137.75
  4. Step 4: Simplify right side
    1,759.11x = 2,761,609.38
  5. Step 5: Solve for x
    x = 2,761,609.38/1,759.11
  6. Step 6: Final answer
    x = 1,569.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.