Home / 3,172.02-4,750.62-2,073.66

Finding the Fourth Proportional to 3,172.02, 4,750.62 and 2,073.66

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Solution

The fourth proportional to 3,172.02, 4,750.62 and 2,073.66 is: 3,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.02 : 4,750.62 = 2,073.66 : x
  2. Step 2: Convert to fraction form
    3,172.02/4,750.62 = 2,073.66/x
  3. Step 3: Cross multiply
    3,172.02x = 4,750.62 × 2,073.66
  4. Step 4: Simplify right side
    3,172.02x = 9,851,170.67
  5. Step 5: Solve for x
    x = 9,851,170.67/3,172.02
  6. Step 6: Final answer
    x = 3,105.65

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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.