Home / 2,286.34-3,419.74-1,908.80

Finding the Fourth Proportional to 2,286.34, 3,419.74 and 1,908.80

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Solution

The fourth proportional to 2,286.34, 3,419.74 and 1,908.80 is: 2,855.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.34 : 3,419.74 = 1,908.80 : x
  2. Step 2: Convert to fraction form
    2,286.34/3,419.74 = 1,908.80/x
  3. Step 3: Cross multiply
    2,286.34x = 3,419.74 × 1,908.80
  4. Step 4: Simplify right side
    2,286.34x = 6,527,599.71
  5. Step 5: Solve for x
    x = 6,527,599.71/2,286.34
  6. Step 6: Final answer
    x = 2,855.04

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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.