Home / 3,904.87-5,389.11-2,226.82

Finding the Fourth Proportional to 3,904.87, 5,389.11 and 2,226.82

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Solution

The fourth proportional to 3,904.87, 5,389.11 and 2,226.82 is: 3,073.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.87 : 5,389.11 = 2,226.82 : x
  2. Step 2: Convert to fraction form
    3,904.87/5,389.11 = 2,226.82/x
  3. Step 3: Cross multiply
    3,904.87x = 5,389.11 × 2,226.82
  4. Step 4: Simplify right side
    3,904.87x = 12,000,577.93
  5. Step 5: Solve for x
    x = 12,000,577.93/3,904.87
  6. Step 6: Final answer
    x = 3,073.23

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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.