Home / 3,876.09-5,805.93-2,408.07

Finding the Fourth Proportional to 3,876.09, 5,805.93 and 2,408.07

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Solution

The fourth proportional to 3,876.09, 5,805.93 and 2,408.07 is: 3,607.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.09 : 5,805.93 = 2,408.07 : x
  2. Step 2: Convert to fraction form
    3,876.09/5,805.93 = 2,408.07/x
  3. Step 3: Cross multiply
    3,876.09x = 5,805.93 × 2,408.07
  4. Step 4: Simplify right side
    3,876.09x = 13,981,085.86
  5. Step 5: Solve for x
    x = 13,981,085.86/3,876.09
  6. Step 6: Final answer
    x = 3,607.01

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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.