Home / 3,883.95-5,360.31-2,205.88

Finding the Fourth Proportional to 3,883.95, 5,360.31 and 2,205.88

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Solution

The fourth proportional to 3,883.95, 5,360.31 and 2,205.88 is: 3,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.95 : 5,360.31 = 2,205.88 : x
  2. Step 2: Convert to fraction form
    3,883.95/5,360.31 = 2,205.88/x
  3. Step 3: Cross multiply
    3,883.95x = 5,360.31 × 2,205.88
  4. Step 4: Simplify right side
    3,883.95x = 11,824,187.22
  5. Step 5: Solve for x
    x = 11,824,187.22/3,883.95
  6. Step 6: Final answer
    x = 3,044.37

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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.