Home / 3,883.85-5,359.53-2,205.02

Finding the Fourth Proportional to 3,883.85, 5,359.53 and 2,205.02

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Solution

The fourth proportional to 3,883.85, 5,359.53 and 2,205.02 is: 3,042.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.85 : 5,359.53 = 2,205.02 : x
  2. Step 2: Convert to fraction form
    3,883.85/5,359.53 = 2,205.02/x
  3. Step 3: Cross multiply
    3,883.85x = 5,359.53 × 2,205.02
  4. Step 4: Simplify right side
    3,883.85x = 11,817,892.51
  5. Step 5: Solve for x
    x = 11,817,892.51/3,883.85
  6. Step 6: Final answer
    x = 3,042.83

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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.