Home / 2,588.81-3,882.53-1,028.75

Finding the Fourth Proportional to 2,588.81, 3,882.53 and 1,028.75

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Solution

The fourth proportional to 2,588.81, 3,882.53 and 1,028.75 is: 1,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.81 : 3,882.53 = 1,028.75 : x
  2. Step 2: Convert to fraction form
    2,588.81/3,882.53 = 1,028.75/x
  3. Step 3: Cross multiply
    2,588.81x = 3,882.53 × 1,028.75
  4. Step 4: Simplify right side
    2,588.81x = 3,994,128.18
  5. Step 5: Solve for x
    x = 3,994,128.18/2,588.81
  6. Step 6: Final answer
    x = 1,542.85

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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.