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Finding the Fourth Proportional to 2,491.75, 3,737.22 and 1,759.11

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Solution

The fourth proportional to 2,491.75, 3,737.22 and 1,759.11 is: 2,638.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.75 : 3,737.22 = 1,759.11 : x
  2. Step 2: Convert to fraction form
    2,491.75/3,737.22 = 1,759.11/x
  3. Step 3: Cross multiply
    2,491.75x = 3,737.22 × 1,759.11
  4. Step 4: Simplify right side
    2,491.75x = 6,574,181.07
  5. Step 5: Solve for x
    x = 6,574,181.07/2,491.75
  6. Step 6: Final answer
    x = 2,638.38

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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.