Home / 3,884.04-5,359.68-2,205.06

Finding the Fourth Proportional to 3,884.04, 5,359.68 and 2,205.06

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Solution

The fourth proportional to 3,884.04, 5,359.68 and 2,205.06 is: 3,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.04 : 5,359.68 = 2,205.06 : x
  2. Step 2: Convert to fraction form
    3,884.04/5,359.68 = 2,205.06/x
  3. Step 3: Cross multiply
    3,884.04x = 5,359.68 × 2,205.06
  4. Step 4: Simplify right side
    3,884.04x = 11,818,415.98
  5. Step 5: Solve for x
    x = 11,818,415.98/3,884.04
  6. Step 6: Final answer
    x = 3,042.82

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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.