Home / 3,146.80-4,340.08-2,202.24

Finding the Fourth Proportional to 3,146.80, 4,340.08 and 2,202.24

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Solution

The fourth proportional to 3,146.80, 4,340.08 and 2,202.24 is: 3,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.80 : 4,340.08 = 2,202.24 : x
  2. Step 2: Convert to fraction form
    3,146.80/4,340.08 = 2,202.24/x
  3. Step 3: Cross multiply
    3,146.80x = 4,340.08 × 2,202.24
  4. Step 4: Simplify right side
    3,146.80x = 9,557,897.78
  5. Step 5: Solve for x
    x = 9,557,897.78/3,146.80
  6. Step 6: Final answer
    x = 3,037.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.