Home / 3,342.70-4,611.99-1,998.15

Finding the Fourth Proportional to 3,342.70, 4,611.99 and 1,998.15

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Solution

The fourth proportional to 3,342.70, 4,611.99 and 1,998.15 is: 2,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.70 : 4,611.99 = 1,998.15 : x
  2. Step 2: Convert to fraction form
    3,342.70/4,611.99 = 1,998.15/x
  3. Step 3: Cross multiply
    3,342.70x = 4,611.99 × 1,998.15
  4. Step 4: Simplify right side
    3,342.70x = 9,215,447.82
  5. Step 5: Solve for x
    x = 9,215,447.82/3,342.70
  6. Step 6: Final answer
    x = 2,756.89

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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.