Home / 3,847.02-5,767.62-2,116.14

Finding the Fourth Proportional to 3,847.02, 5,767.62 and 2,116.14

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Solution

The fourth proportional to 3,847.02, 5,767.62 and 2,116.14 is: 3,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.02 : 5,767.62 = 2,116.14 : x
  2. Step 2: Convert to fraction form
    3,847.02/5,767.62 = 2,116.14/x
  3. Step 3: Cross multiply
    3,847.02x = 5,767.62 × 2,116.14
  4. Step 4: Simplify right side
    3,847.02x = 12,205,091.39
  5. Step 5: Solve for x
    x = 12,205,091.39/3,847.02
  6. Step 6: Final answer
    x = 3,172.61

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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.