Home / 3,205.86-4,424.27-2,211.59

Finding the Fourth Proportional to 3,205.86, 4,424.27 and 2,211.59

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Solution

The fourth proportional to 3,205.86, 4,424.27 and 2,211.59 is: 3,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.86 : 4,424.27 = 2,211.59 : x
  2. Step 2: Convert to fraction form
    3,205.86/4,424.27 = 2,211.59/x
  3. Step 3: Cross multiply
    3,205.86x = 4,424.27 × 2,211.59
  4. Step 4: Simplify right side
    3,205.86x = 9,784,638.11
  5. Step 5: Solve for x
    x = 9,784,638.11/3,205.86
  6. Step 6: Final answer
    x = 3,052.11

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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.