Home / 3,220.11-4,822.29-2,908.46

Finding the Fourth Proportional to 3,220.11, 4,822.29 and 2,908.46

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Solution

The fourth proportional to 3,220.11, 4,822.29 and 2,908.46 is: 4,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.11 : 4,822.29 = 2,908.46 : x
  2. Step 2: Convert to fraction form
    3,220.11/4,822.29 = 2,908.46/x
  3. Step 3: Cross multiply
    3,220.11x = 4,822.29 × 2,908.46
  4. Step 4: Simplify right side
    3,220.11x = 14,025,437.57
  5. Step 5: Solve for x
    x = 14,025,437.57/3,220.11
  6. Step 6: Final answer
    x = 4,355.58

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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.