Home / 3,442.02-5,163.44-1,981.18

Finding the Fourth Proportional to 3,442.02, 5,163.44 and 1,981.18

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Solution

The fourth proportional to 3,442.02, 5,163.44 and 1,981.18 is: 2,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.02 : 5,163.44 = 1,981.18 : x
  2. Step 2: Convert to fraction form
    3,442.02/5,163.44 = 1,981.18/x
  3. Step 3: Cross multiply
    3,442.02x = 5,163.44 × 1,981.18
  4. Step 4: Simplify right side
    3,442.02x = 10,229,704.06
  5. Step 5: Solve for x
    x = 10,229,704.06/3,442.02
  6. Step 6: Final answer
    x = 2,972.01

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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.