Home / 3,420.27-5,132.07-1,229.18

Finding the Fourth Proportional to 3,420.27, 5,132.07 and 1,229.18

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Solution

The fourth proportional to 3,420.27, 5,132.07 and 1,229.18 is: 1,844.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.27 : 5,132.07 = 1,229.18 : x
  2. Step 2: Convert to fraction form
    3,420.27/5,132.07 = 1,229.18/x
  3. Step 3: Cross multiply
    3,420.27x = 5,132.07 × 1,229.18
  4. Step 4: Simplify right side
    3,420.27x = 6,308,212.14
  5. Step 5: Solve for x
    x = 6,308,212.14/3,420.27
  6. Step 6: Final answer
    x = 1,844.36

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1.5x scale

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.