Home / 2,940.50-4,057.82-1,614.20

Finding the Fourth Proportional to 2,940.50, 4,057.82 and 1,614.20

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Solution

The fourth proportional to 2,940.50, 4,057.82 and 1,614.20 is: 2,227.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.50 : 4,057.82 = 1,614.20 : x
  2. Step 2: Convert to fraction form
    2,940.50/4,057.82 = 1,614.20/x
  3. Step 3: Cross multiply
    2,940.50x = 4,057.82 × 1,614.20
  4. Step 4: Simplify right side
    2,940.50x = 6,550,133.04
  5. Step 5: Solve for x
    x = 6,550,133.04/2,940.50
  6. Step 6: Final answer
    x = 2,227.56

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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.