Home / 3,883.56-5,359.47-2,205.12

Finding the Fourth Proportional to 3,883.56, 5,359.47 and 2,205.12

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Solution

The fourth proportional to 3,883.56, 5,359.47 and 2,205.12 is: 3,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.56 : 5,359.47 = 2,205.12 : x
  2. Step 2: Convert to fraction form
    3,883.56/5,359.47 = 2,205.12/x
  3. Step 3: Cross multiply
    3,883.56x = 5,359.47 × 2,205.12
  4. Step 4: Simplify right side
    3,883.56x = 11,818,274.49
  5. Step 5: Solve for x
    x = 11,818,274.49/3,883.56
  6. Step 6: Final answer
    x = 3,043.15

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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.