Home / 2,381.08-3,571.62-1,226.04

Finding the Fourth Proportional to 2,381.08, 3,571.62 and 1,226.04

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Solution

The fourth proportional to 2,381.08, 3,571.62 and 1,226.04 is: 1,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.08 : 3,571.62 = 1,226.04 : x
  2. Step 2: Convert to fraction form
    2,381.08/3,571.62 = 1,226.04/x
  3. Step 3: Cross multiply
    2,381.08x = 3,571.62 × 1,226.04
  4. Step 4: Simplify right side
    2,381.08x = 4,378,948.98
  5. Step 5: Solve for x
    x = 4,378,948.98/2,381.08
  6. Step 6: Final answer
    x = 1,839.06

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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.