Home / 3,203.20-4,804.82-1,638.76

Finding the Fourth Proportional to 3,203.20, 4,804.82 and 1,638.76

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Solution

The fourth proportional to 3,203.20, 4,804.82 and 1,638.76 is: 2,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.20 : 4,804.82 = 1,638.76 : x
  2. Step 2: Convert to fraction form
    3,203.20/4,804.82 = 1,638.76/x
  3. Step 3: Cross multiply
    3,203.20x = 4,804.82 × 1,638.76
  4. Step 4: Simplify right side
    3,203.20x = 7,873,946.82
  5. Step 5: Solve for x
    x = 7,873,946.82/3,203.20
  6. Step 6: Final answer
    x = 2,458.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.