Home / 3,408.33-5,111.23-1,216.47

Finding the Fourth Proportional to 3,408.33, 5,111.23 and 1,216.47

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Solution

The fourth proportional to 3,408.33, 5,111.23 and 1,216.47 is: 1,824.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.33 : 5,111.23 = 1,216.47 : x
  2. Step 2: Convert to fraction form
    3,408.33/5,111.23 = 1,216.47/x
  3. Step 3: Cross multiply
    3,408.33x = 5,111.23 × 1,216.47
  4. Step 4: Simplify right side
    3,408.33x = 6,217,657.96
  5. Step 5: Solve for x
    x = 6,217,657.96/3,408.33
  6. Step 6: Final answer
    x = 1,824.25

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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.