Home / 4,211.35-5,811.85-2,322.95

Finding the Fourth Proportional to 4,211.35, 5,811.85 and 2,322.95

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Solution

The fourth proportional to 4,211.35, 5,811.85 and 2,322.95 is: 3,205.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.35 : 5,811.85 = 2,322.95 : x
  2. Step 2: Convert to fraction form
    4,211.35/5,811.85 = 2,322.95/x
  3. Step 3: Cross multiply
    4,211.35x = 5,811.85 × 2,322.95
  4. Step 4: Simplify right side
    4,211.35x = 13,500,643.49
  5. Step 5: Solve for x
    x = 13,500,643.49/4,211.35
  6. Step 6: Final answer
    x = 3,205.78

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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.