Home / 1,419.19-2,122.71-1,183.48

Finding the Fourth Proportional to 1,419.19, 2,122.71 and 1,183.48

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Solution

The fourth proportional to 1,419.19, 2,122.71 and 1,183.48 is: 1,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419.19 : 2,122.71 = 1,183.48 : x
  2. Step 2: Convert to fraction form
    1,419.19/2,122.71 = 1,183.48/x
  3. Step 3: Cross multiply
    1,419.19x = 2,122.71 × 1,183.48
  4. Step 4: Simplify right side
    1,419.19x = 2,512,184.83
  5. Step 5: Solve for x
    x = 2,512,184.83/1,419.19
  6. Step 6: Final answer
    x = 1,770.15

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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.