Home / 3,208.25-4,428.56-1,883.06

Finding the Fourth Proportional to 3,208.25, 4,428.56 and 1,883.06

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Solution

The fourth proportional to 3,208.25, 4,428.56 and 1,883.06 is: 2,599.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.25 : 4,428.56 = 1,883.06 : x
  2. Step 2: Convert to fraction form
    3,208.25/4,428.56 = 1,883.06/x
  3. Step 3: Cross multiply
    3,208.25x = 4,428.56 × 1,883.06
  4. Step 4: Simplify right side
    3,208.25x = 8,339,234.78
  5. Step 5: Solve for x
    x = 8,339,234.78/3,208.25
  6. Step 6: Final answer
    x = 2,599.31

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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.