Home / 2,940.09-4,057.38-1,613.90

Finding the Fourth Proportional to 2,940.09, 4,057.38 and 1,613.90

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Solution

The fourth proportional to 2,940.09, 4,057.38 and 1,613.90 is: 2,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.09 : 4,057.38 = 1,613.90 : x
  2. Step 2: Convert to fraction form
    2,940.09/4,057.38 = 1,613.90/x
  3. Step 3: Cross multiply
    2,940.09x = 4,057.38 × 1,613.90
  4. Step 4: Simplify right side
    2,940.09x = 6,548,185.30
  5. Step 5: Solve for x
    x = 6,548,185.30/2,940.09
  6. Step 6: Final answer
    x = 2,227.21

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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.