Home / 3,144.48-4,718.02-2,172.04

Finding the Fourth Proportional to 3,144.48, 4,718.02 and 2,172.04

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Solution

The fourth proportional to 3,144.48, 4,718.02 and 2,172.04 is: 3,258.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.48 : 4,718.02 = 2,172.04 : x
  2. Step 2: Convert to fraction form
    3,144.48/4,718.02 = 2,172.04/x
  3. Step 3: Cross multiply
    3,144.48x = 4,718.02 × 2,172.04
  4. Step 4: Simplify right side
    3,144.48x = 10,247,728.16
  5. Step 5: Solve for x
    x = 10,247,728.16/3,144.48
  6. Step 6: Final answer
    x = 3,258.96

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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.