Home / 3,339.86-4,611.11-2,145.33

Finding the Fourth Proportional to 3,339.86, 4,611.11 and 2,145.33

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Solution

The fourth proportional to 3,339.86, 4,611.11 and 2,145.33 is: 2,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.86 : 4,611.11 = 2,145.33 : x
  2. Step 2: Convert to fraction form
    3,339.86/4,611.11 = 2,145.33/x
  3. Step 3: Cross multiply
    3,339.86x = 4,611.11 × 2,145.33
  4. Step 4: Simplify right side
    3,339.86x = 9,892,344.17
  5. Step 5: Solve for x
    x = 9,892,344.17/3,339.86
  6. Step 6: Final answer
    x = 2,961.90

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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.