Home / 3,282.61-4,924.77-1,722.20

Finding the Fourth Proportional to 3,282.61, 4,924.77 and 1,722.20

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Solution

The fourth proportional to 3,282.61, 4,924.77 and 1,722.20 is: 2,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.61 : 4,924.77 = 1,722.20 : x
  2. Step 2: Convert to fraction form
    3,282.61/4,924.77 = 1,722.20/x
  3. Step 3: Cross multiply
    3,282.61x = 4,924.77 × 1,722.20
  4. Step 4: Simplify right side
    3,282.61x = 8,481,407.81
  5. Step 5: Solve for x
    x = 8,481,407.81/3,282.61
  6. Step 6: Final answer
    x = 2,583.74

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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.