Home / 2,940.21-4,057.50-1,613.92

Finding the Fourth Proportional to 2,940.21, 4,057.50 and 1,613.92

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Solution

The fourth proportional to 2,940.21, 4,057.50 and 1,613.92 is: 2,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.21 : 4,057.50 = 1,613.92 : x
  2. Step 2: Convert to fraction form
    2,940.21/4,057.50 = 1,613.92/x
  3. Step 3: Cross multiply
    2,940.21x = 4,057.50 × 1,613.92
  4. Step 4: Simplify right side
    2,940.21x = 6,548,480.40
  5. Step 5: Solve for x
    x = 6,548,480.40/2,940.21
  6. Step 6: Final answer
    x = 2,227.22

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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.