Home / 3,486.80-5,225.94-2,441.12

Finding the Fourth Proportional to 3,486.80, 5,225.94 and 2,441.12

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Solution

The fourth proportional to 3,486.80, 5,225.94 and 2,441.12 is: 3,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.80 : 5,225.94 = 2,441.12 : x
  2. Step 2: Convert to fraction form
    3,486.80/5,225.94 = 2,441.12/x
  3. Step 3: Cross multiply
    3,486.80x = 5,225.94 × 2,441.12
  4. Step 4: Simplify right side
    3,486.80x = 12,757,146.65
  5. Step 5: Solve for x
    x = 12,757,146.65/3,486.80
  6. Step 6: Final answer
    x = 3,658.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.