Home / 3,883.86-5,359.35-2,205.33

Finding the Fourth Proportional to 3,883.86, 5,359.35 and 2,205.33

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Solution

The fourth proportional to 3,883.86, 5,359.35 and 2,205.33 is: 3,043.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.86 : 5,359.35 = 2,205.33 : x
  2. Step 2: Convert to fraction form
    3,883.86/5,359.35 = 2,205.33/x
  3. Step 3: Cross multiply
    3,883.86x = 5,359.35 × 2,205.33
  4. Step 4: Simplify right side
    3,883.86x = 11,819,135.34
  5. Step 5: Solve for x
    x = 11,819,135.34/3,883.86
  6. Step 6: Final answer
    x = 3,043.14

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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.