Home / 3,330.30-4,998.49-1,687.98

Finding the Fourth Proportional to 3,330.30, 4,998.49 and 1,687.98

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Solution

The fourth proportional to 3,330.30, 4,998.49 and 1,687.98 is: 2,533.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.30 : 4,998.49 = 1,687.98 : x
  2. Step 2: Convert to fraction form
    3,330.30/4,998.49 = 1,687.98/x
  3. Step 3: Cross multiply
    3,330.30x = 4,998.49 × 1,687.98
  4. Step 4: Simplify right side
    3,330.30x = 8,437,351.15
  5. Step 5: Solve for x
    x = 8,437,351.15/3,330.30
  6. Step 6: Final answer
    x = 2,533.51

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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.