Home / 2,588.09-3,876.76-1,351.76

Finding the Fourth Proportional to 2,588.09, 3,876.76 and 1,351.76

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Solution

The fourth proportional to 2,588.09, 3,876.76 and 1,351.76 is: 2,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.09 : 3,876.76 = 1,351.76 : x
  2. Step 2: Convert to fraction form
    2,588.09/3,876.76 = 1,351.76/x
  3. Step 3: Cross multiply
    2,588.09x = 3,876.76 × 1,351.76
  4. Step 4: Simplify right side
    2,588.09x = 5,240,431.40
  5. Step 5: Solve for x
    x = 5,240,431.40/2,588.09
  6. Step 6: Final answer
    x = 2,024.83

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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.