Home / 2,622.87-3,933.09-1,527.55

Finding the Fourth Proportional to 2,622.87, 3,933.09 and 1,527.55

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Solution

The fourth proportional to 2,622.87, 3,933.09 and 1,527.55 is: 2,290.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.87 : 3,933.09 = 1,527.55 : x
  2. Step 2: Convert to fraction form
    2,622.87/3,933.09 = 1,527.55/x
  3. Step 3: Cross multiply
    2,622.87x = 3,933.09 × 1,527.55
  4. Step 4: Simplify right side
    2,622.87x = 6,007,981.80
  5. Step 5: Solve for x
    x = 6,007,981.80/2,622.87
  6. Step 6: Final answer
    x = 2,290.61

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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.