Home / 3,217.66-4,822.17-1,268.80

Finding the Fourth Proportional to 3,217.66, 4,822.17 and 1,268.80

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Solution

The fourth proportional to 3,217.66, 4,822.17 and 1,268.80 is: 1,901.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.66 : 4,822.17 = 1,268.80 : x
  2. Step 2: Convert to fraction form
    3,217.66/4,822.17 = 1,268.80/x
  3. Step 3: Cross multiply
    3,217.66x = 4,822.17 × 1,268.80
  4. Step 4: Simplify right side
    3,217.66x = 6,118,369.30
  5. Step 5: Solve for x
    x = 6,118,369.30/3,217.66
  6. Step 6: Final answer
    x = 1,901.50

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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.