Home / 2,940.35-4,057.61-1,614.20

Finding the Fourth Proportional to 2,940.35, 4,057.61 and 1,614.20

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Solution

The fourth proportional to 2,940.35, 4,057.61 and 1,614.20 is: 2,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.35 : 4,057.61 = 1,614.20 : x
  2. Step 2: Convert to fraction form
    2,940.35/4,057.61 = 1,614.20/x
  3. Step 3: Cross multiply
    2,940.35x = 4,057.61 × 1,614.20
  4. Step 4: Simplify right side
    2,940.35x = 6,549,765.70
  5. Step 5: Solve for x
    x = 6,549,765.70/2,940.35
  6. Step 6: Final answer
    x = 2,227.55

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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.