Home / 4,188.68-6,282.90-1,722.80

Finding the Fourth Proportional to 4,188.68, 6,282.90 and 1,722.80

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Solution

The fourth proportional to 4,188.68, 6,282.90 and 1,722.80 is: 2,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.68 : 6,282.90 = 1,722.80 : x
  2. Step 2: Convert to fraction form
    4,188.68/6,282.90 = 1,722.80/x
  3. Step 3: Cross multiply
    4,188.68x = 6,282.90 × 1,722.80
  4. Step 4: Simplify right side
    4,188.68x = 10,824,180.12
  5. Step 5: Solve for x
    x = 10,824,180.12/4,188.68
  6. Step 6: Final answer
    x = 2,584.15

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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.