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Finding the Fourth Proportional to 2,788.98, 4,185.49 and 2,247.69

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Solution

The fourth proportional to 2,788.98, 4,185.49 and 2,247.69 is: 3,373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.98 : 4,185.49 = 2,247.69 : x
  2. Step 2: Convert to fraction form
    2,788.98/4,185.49 = 2,247.69/x
  3. Step 3: Cross multiply
    2,788.98x = 4,185.49 × 2,247.69
  4. Step 4: Simplify right side
    2,788.98x = 9,407,683.24
  5. Step 5: Solve for x
    x = 9,407,683.24/2,788.98
  6. Step 6: Final answer
    x = 3,373.17

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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.