Home / 3,849.02-5,310.44-2,170.16

Finding the Fourth Proportional to 3,849.02, 5,310.44 and 2,170.16

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Solution

The fourth proportional to 3,849.02, 5,310.44 and 2,170.16 is: 2,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.02 : 5,310.44 = 2,170.16 : x
  2. Step 2: Convert to fraction form
    3,849.02/5,310.44 = 2,170.16/x
  3. Step 3: Cross multiply
    3,849.02x = 5,310.44 × 2,170.16
  4. Step 4: Simplify right side
    3,849.02x = 11,524,504.47
  5. Step 5: Solve for x
    x = 11,524,504.47/3,849.02
  6. Step 6: Final answer
    x = 2,994.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.