Home / 1,444.18-2,169.20-1,274.68

Finding the Fourth Proportional to 1,444.18, 2,169.20 and 1,274.68

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Solution

The fourth proportional to 1,444.18, 2,169.20 and 1,274.68 is: 1,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.18 : 2,169.20 = 1,274.68 : x
  2. Step 2: Convert to fraction form
    1,444.18/2,169.20 = 1,274.68/x
  3. Step 3: Cross multiply
    1,444.18x = 2,169.20 × 1,274.68
  4. Step 4: Simplify right side
    1,444.18x = 2,765,035.86
  5. Step 5: Solve for x
    x = 2,765,035.86/1,444.18
  6. Step 6: Final answer
    x = 1,914.61

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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.