Home / 3,990.04-5,981.22-2,525.56

Finding the Fourth Proportional to 3,990.04, 5,981.22 and 2,525.56

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Solution

The fourth proportional to 3,990.04, 5,981.22 and 2,525.56 is: 3,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990.04 : 5,981.22 = 2,525.56 : x
  2. Step 2: Convert to fraction form
    3,990.04/5,981.22 = 2,525.56/x
  3. Step 3: Cross multiply
    3,990.04x = 5,981.22 × 2,525.56
  4. Step 4: Simplify right side
    3,990.04x = 15,105,929.98
  5. Step 5: Solve for x
    x = 15,105,929.98/3,990.04
  6. Step 6: Final answer
    x = 3,785.91

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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.