Home / 2,270.74-3,132.83-1,419.41

Finding the Fourth Proportional to 2,270.74, 3,132.83 and 1,419.41

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Solution

The fourth proportional to 2,270.74, 3,132.83 and 1,419.41 is: 1,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.74 : 3,132.83 = 1,419.41 : x
  2. Step 2: Convert to fraction form
    2,270.74/3,132.83 = 1,419.41/x
  3. Step 3: Cross multiply
    2,270.74x = 3,132.83 × 1,419.41
  4. Step 4: Simplify right side
    2,270.74x = 4,446,770.23
  5. Step 5: Solve for x
    x = 4,446,770.23/2,270.74
  6. Step 6: Final answer
    x = 1,958.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.