Home / 2,998.43-4,136.32-2,005.03

Finding the Fourth Proportional to 2,998.43, 4,136.32 and 2,005.03

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Solution

The fourth proportional to 2,998.43, 4,136.32 and 2,005.03 is: 2,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.43 : 4,136.32 = 2,005.03 : x
  2. Step 2: Convert to fraction form
    2,998.43/4,136.32 = 2,005.03/x
  3. Step 3: Cross multiply
    2,998.43x = 4,136.32 × 2,005.03
  4. Step 4: Simplify right side
    2,998.43x = 8,293,445.69
  5. Step 5: Solve for x
    x = 8,293,445.69/2,998.43
  6. Step 6: Final answer
    x = 2,765.93

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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.