Home / 2,286.66-3,425.70-1,309.80

Finding the Fourth Proportional to 2,286.66, 3,425.70 and 1,309.80

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Solution

The fourth proportional to 2,286.66, 3,425.70 and 1,309.80 is: 1,962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.66 : 3,425.70 = 1,309.80 : x
  2. Step 2: Convert to fraction form
    2,286.66/3,425.70 = 1,309.80/x
  3. Step 3: Cross multiply
    2,286.66x = 3,425.70 × 1,309.80
  4. Step 4: Simplify right side
    2,286.66x = 4,486,981.86
  5. Step 5: Solve for x
    x = 4,486,981.86/2,286.66
  6. Step 6: Final answer
    x = 1,962.24

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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.