Home / 3,418.72-5,127.18-1,227.13

Finding the Fourth Proportional to 3,418.72, 5,127.18 and 1,227.13

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Solution

The fourth proportional to 3,418.72, 5,127.18 and 1,227.13 is: 1,840.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.72 : 5,127.18 = 1,227.13 : x
  2. Step 2: Convert to fraction form
    3,418.72/5,127.18 = 1,227.13/x
  3. Step 3: Cross multiply
    3,418.72x = 5,127.18 × 1,227.13
  4. Step 4: Simplify right side
    3,418.72x = 6,291,716.39
  5. Step 5: Solve for x
    x = 6,291,716.39/3,418.72
  6. Step 6: Final answer
    x = 1,840.37

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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.