Home / 2,408.54-3,319.80-1,611.59

Finding the Fourth Proportional to 2,408.54, 3,319.80 and 1,611.59

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Solution

The fourth proportional to 2,408.54, 3,319.80 and 1,611.59 is: 2,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.54 : 3,319.80 = 1,611.59 : x
  2. Step 2: Convert to fraction form
    2,408.54/3,319.80 = 1,611.59/x
  3. Step 3: Cross multiply
    2,408.54x = 3,319.80 × 1,611.59
  4. Step 4: Simplify right side
    2,408.54x = 5,350,139.88
  5. Step 5: Solve for x
    x = 5,350,139.88/2,408.54
  6. Step 6: Final answer
    x = 2,221.33

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1.5x scale

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.