Home / 1,446.27-2,172.87-1,367.61

Finding the Fourth Proportional to 1,446.27, 2,172.87 and 1,367.61

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Solution

The fourth proportional to 1,446.27, 2,172.87 and 1,367.61 is: 2,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.27 : 2,172.87 = 1,367.61 : x
  2. Step 2: Convert to fraction form
    1,446.27/2,172.87 = 1,367.61/x
  3. Step 3: Cross multiply
    1,446.27x = 2,172.87 × 1,367.61
  4. Step 4: Simplify right side
    1,446.27x = 2,971,638.74
  5. Step 5: Solve for x
    x = 2,971,638.74/1,446.27
  6. Step 6: Final answer
    x = 2,054.69

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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.