Home / 3,993.46-5,986.08-1,527.61

Finding the Fourth Proportional to 3,993.46, 5,986.08 and 1,527.61

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Solution

The fourth proportional to 3,993.46, 5,986.08 and 1,527.61 is: 2,289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.46 : 5,986.08 = 1,527.61 : x
  2. Step 2: Convert to fraction form
    3,993.46/5,986.08 = 1,527.61/x
  3. Step 3: Cross multiply
    3,993.46x = 5,986.08 × 1,527.61
  4. Step 4: Simplify right side
    3,993.46x = 9,144,395.67
  5. Step 5: Solve for x
    x = 9,144,395.67/3,993.46
  6. Step 6: Final answer
    x = 2,289.84

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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.