Home / 1,469.18-2,199.45-1,286.93

Finding the Fourth Proportional to 1,469.18, 2,199.45 and 1,286.93

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Solution

The fourth proportional to 1,469.18, 2,199.45 and 1,286.93 is: 1,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.18 : 2,199.45 = 1,286.93 : x
  2. Step 2: Convert to fraction form
    1,469.18/2,199.45 = 1,286.93/x
  3. Step 3: Cross multiply
    1,469.18x = 2,199.45 × 1,286.93
  4. Step 4: Simplify right side
    1,469.18x = 2,830,531.75
  5. Step 5: Solve for x
    x = 2,830,531.75/1,469.18
  6. Step 6: Final answer
    x = 1,926.61

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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.