Home / 3,172.50-4,758.71-1,224.66

Finding the Fourth Proportional to 3,172.50, 4,758.71 and 1,224.66

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Solution

The fourth proportional to 3,172.50, 4,758.71 and 1,224.66 is: 1,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.50 : 4,758.71 = 1,224.66 : x
  2. Step 2: Convert to fraction form
    3,172.50/4,758.71 = 1,224.66/x
  3. Step 3: Cross multiply
    3,172.50x = 4,758.71 × 1,224.66
  4. Step 4: Simplify right side
    3,172.50x = 5,827,795.67
  5. Step 5: Solve for x
    x = 5,827,795.67/3,172.50
  6. Step 6: Final answer
    x = 1,836.97

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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.