Home / 3,172.23-4,759.97-1,224.99

Finding the Fourth Proportional to 3,172.23, 4,759.97 and 1,224.99

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Solution

The fourth proportional to 3,172.23, 4,759.97 and 1,224.99 is: 1,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.23 : 4,759.97 = 1,224.99 : x
  2. Step 2: Convert to fraction form
    3,172.23/4,759.97 = 1,224.99/x
  3. Step 3: Cross multiply
    3,172.23x = 4,759.97 × 1,224.99
  4. Step 4: Simplify right side
    3,172.23x = 5,830,909.53
  5. Step 5: Solve for x
    x = 5,830,909.53/3,172.23
  6. Step 6: Final answer
    x = 1,838.11

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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.