Home / 2,380.43-3,275.76-2,195.75

Finding the Fourth Proportional to 2,380.43, 3,275.76 and 2,195.75

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Solution

The fourth proportional to 2,380.43, 3,275.76 and 2,195.75 is: 3,021.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.43 : 3,275.76 = 2,195.75 : x
  2. Step 2: Convert to fraction form
    2,380.43/3,275.76 = 2,195.75/x
  3. Step 3: Cross multiply
    2,380.43x = 3,275.76 × 2,195.75
  4. Step 4: Simplify right side
    2,380.43x = 7,192,750.02
  5. Step 5: Solve for x
    x = 7,192,750.02/2,380.43
  6. Step 6: Final answer
    x = 3,021.62

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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.