Home / 2,808.35-4,213.73-1,165.26

Finding the Fourth Proportional to 2,808.35, 4,213.73 and 1,165.26

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Solution

The fourth proportional to 2,808.35, 4,213.73 and 1,165.26 is: 1,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.35 : 4,213.73 = 1,165.26 : x
  2. Step 2: Convert to fraction form
    2,808.35/4,213.73 = 1,165.26/x
  3. Step 3: Cross multiply
    2,808.35x = 4,213.73 × 1,165.26
  4. Step 4: Simplify right side
    2,808.35x = 4,910,085.19
  5. Step 5: Solve for x
    x = 4,910,085.19/2,808.35
  6. Step 6: Final answer
    x = 1,748.39

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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.