Home / 1,758.96-2,636.58-1,028.73

Finding the Fourth Proportional to 1,758.96, 2,636.58 and 1,028.73

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Solution

The fourth proportional to 1,758.96, 2,636.58 and 1,028.73 is: 1,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.96 : 2,636.58 = 1,028.73 : x
  2. Step 2: Convert to fraction form
    1,758.96/2,636.58 = 1,028.73/x
  3. Step 3: Cross multiply
    1,758.96x = 2,636.58 × 1,028.73
  4. Step 4: Simplify right side
    1,758.96x = 2,712,328.94
  5. Step 5: Solve for x
    x = 2,712,328.94/1,758.96
  6. Step 6: Final answer
    x = 1,542.01

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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.