Home / 3,172.09-4,760.91-1,225.66

Finding the Fourth Proportional to 3,172.09, 4,760.91 and 1,225.66

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Solution

The fourth proportional to 3,172.09, 4,760.91 and 1,225.66 is: 1,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.09 : 4,760.91 = 1,225.66 : x
  2. Step 2: Convert to fraction form
    3,172.09/4,760.91 = 1,225.66/x
  3. Step 3: Cross multiply
    3,172.09x = 4,760.91 × 1,225.66
  4. Step 4: Simplify right side
    3,172.09x = 5,835,256.95
  5. Step 5: Solve for x
    x = 5,835,256.95/3,172.09
  6. Step 6: Final answer
    x = 1,839.56

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1.5x scale

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.