Home / 3,188.28-4,792.18-2,643.96

Finding the Fourth Proportional to 3,188.28, 4,792.18 and 2,643.96

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Solution

The fourth proportional to 3,188.28, 4,792.18 and 2,643.96 is: 3,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.28 : 4,792.18 = 2,643.96 : x
  2. Step 2: Convert to fraction form
    3,188.28/4,792.18 = 2,643.96/x
  3. Step 3: Cross multiply
    3,188.28x = 4,792.18 × 2,643.96
  4. Step 4: Simplify right side
    3,188.28x = 12,670,332.23
  5. Step 5: Solve for x
    x = 12,670,332.23/3,188.28
  6. Step 6: Final answer
    x = 3,974.03

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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.