Home / 2,286.12-3,426.18-2,219.64

Finding the Fourth Proportional to 2,286.12, 3,426.18 and 2,219.64

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Solution

The fourth proportional to 2,286.12, 3,426.18 and 2,219.64 is: 3,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.12 : 3,426.18 = 2,219.64 : x
  2. Step 2: Convert to fraction form
    2,286.12/3,426.18 = 2,219.64/x
  3. Step 3: Cross multiply
    2,286.12x = 3,426.18 × 2,219.64
  4. Step 4: Simplify right side
    2,286.12x = 7,604,886.18
  5. Step 5: Solve for x
    x = 7,604,886.18/2,286.12
  6. Step 6: Final answer
    x = 3,326.55

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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.