Home / 2,940.42-4,057.86-1,614.20

Finding the Fourth Proportional to 2,940.42, 4,057.86 and 1,614.20

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Solution

The fourth proportional to 2,940.42, 4,057.86 and 1,614.20 is: 2,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.42 : 4,057.86 = 1,614.20 : x
  2. Step 2: Convert to fraction form
    2,940.42/4,057.86 = 1,614.20/x
  3. Step 3: Cross multiply
    2,940.42x = 4,057.86 × 1,614.20
  4. Step 4: Simplify right side
    2,940.42x = 6,550,197.61
  5. Step 5: Solve for x
    x = 6,550,197.61/2,940.42
  6. Step 6: Final answer
    x = 2,227.64

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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.