Home / 3,179.16-4,383.48-2,206.56

Finding the Fourth Proportional to 3,179.16, 4,383.48 and 2,206.56

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Solution

The fourth proportional to 3,179.16, 4,383.48 and 2,206.56 is: 3,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.16 : 4,383.48 = 2,206.56 : x
  2. Step 2: Convert to fraction form
    3,179.16/4,383.48 = 2,206.56/x
  3. Step 3: Cross multiply
    3,179.16x = 4,383.48 × 2,206.56
  4. Step 4: Simplify right side
    3,179.16x = 9,672,411.63
  5. Step 5: Solve for x
    x = 9,672,411.63/3,179.16
  6. Step 6: Final answer
    x = 3,042.44

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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.