Home / 3,166.10-4,722.84-2,801.60

Finding the Fourth Proportional to 3,166.10, 4,722.84 and 2,801.60

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Solution

The fourth proportional to 3,166.10, 4,722.84 and 2,801.60 is: 4,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.10 : 4,722.84 = 2,801.60 : x
  2. Step 2: Convert to fraction form
    3,166.10/4,722.84 = 2,801.60/x
  3. Step 3: Cross multiply
    3,166.10x = 4,722.84 × 2,801.60
  4. Step 4: Simplify right side
    3,166.10x = 13,231,494.54
  5. Step 5: Solve for x
    x = 13,231,494.54/3,166.10
  6. Step 6: Final answer
    x = 4,179.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.