Home / 3,235.68-4,450.95-2,855.66

Finding the Fourth Proportional to 3,235.68, 4,450.95 and 2,855.66

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Solution

The fourth proportional to 3,235.68, 4,450.95 and 2,855.66 is: 3,928.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.68 : 4,450.95 = 2,855.66 : x
  2. Step 2: Convert to fraction form
    3,235.68/4,450.95 = 2,855.66/x
  3. Step 3: Cross multiply
    3,235.68x = 4,450.95 × 2,855.66
  4. Step 4: Simplify right side
    3,235.68x = 12,710,377.62
  5. Step 5: Solve for x
    x = 12,710,377.62/3,235.68
  6. Step 6: Final answer
    x = 3,928.19

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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.