Home / 1,758.87-2,639.17-1,100.58

Finding the Fourth Proportional to 1,758.87, 2,639.17 and 1,100.58

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Solution

The fourth proportional to 1,758.87, 2,639.17 and 1,100.58 is: 1,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.87 : 2,639.17 = 1,100.58 : x
  2. Step 2: Convert to fraction form
    1,758.87/2,639.17 = 1,100.58/x
  3. Step 3: Cross multiply
    1,758.87x = 2,639.17 × 1,100.58
  4. Step 4: Simplify right side
    1,758.87x = 2,904,614.97
  5. Step 5: Solve for x
    x = 2,904,614.97/1,758.87
  6. Step 6: Final answer
    x = 1,651.41

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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.