Home / 1,759.90-2,639.82-1,028.96

Finding the Fourth Proportional to 1,759.90, 2,639.82 and 1,028.96

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Solution

The fourth proportional to 1,759.90, 2,639.82 and 1,028.96 is: 1,543.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.90 : 2,639.82 = 1,028.96 : x
  2. Step 2: Convert to fraction form
    1,759.90/2,639.82 = 1,028.96/x
  3. Step 3: Cross multiply
    1,759.90x = 2,639.82 × 1,028.96
  4. Step 4: Simplify right side
    1,759.90x = 2,716,269.19
  5. Step 5: Solve for x
    x = 2,716,269.19/1,759.90
  6. Step 6: Final answer
    x = 1,543.42

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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.