Home / 3,884.31-5,360.16-2,205.63

Finding the Fourth Proportional to 3,884.31, 5,360.16 and 2,205.63

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Solution

The fourth proportional to 3,884.31, 5,360.16 and 2,205.63 is: 3,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.31 : 5,360.16 = 2,205.63 : x
  2. Step 2: Convert to fraction form
    3,884.31/5,360.16 = 2,205.63/x
  3. Step 3: Cross multiply
    3,884.31x = 5,360.16 × 2,205.63
  4. Step 4: Simplify right side
    3,884.31x = 11,822,529.70
  5. Step 5: Solve for x
    x = 11,822,529.70/3,884.31
  6. Step 6: Final answer
    x = 3,043.66

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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.