Home / 3,168.11-4,372.94-2,049.10

Finding the Fourth Proportional to 3,168.11, 4,372.94 and 2,049.10

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Solution

The fourth proportional to 3,168.11, 4,372.94 and 2,049.10 is: 2,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.11 : 4,372.94 = 2,049.10 : x
  2. Step 2: Convert to fraction form
    3,168.11/4,372.94 = 2,049.10/x
  3. Step 3: Cross multiply
    3,168.11x = 4,372.94 × 2,049.10
  4. Step 4: Simplify right side
    3,168.11x = 8,960,574.02
  5. Step 5: Solve for x
    x = 8,960,574.02/3,168.11
  6. Step 6: Final answer
    x = 2,828.36

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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.