Home / 2,379.43-3,274.38-2,194.75

Finding the Fourth Proportional to 2,379.43, 3,274.38 and 2,194.75

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Solution

The fourth proportional to 2,379.43, 3,274.38 and 2,194.75 is: 3,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.43 : 3,274.38 = 2,194.75 : x
  2. Step 2: Convert to fraction form
    2,379.43/3,274.38 = 2,194.75/x
  3. Step 3: Cross multiply
    2,379.43x = 3,274.38 × 2,194.75
  4. Step 4: Simplify right side
    2,379.43x = 7,186,445.51
  5. Step 5: Solve for x
    x = 7,186,445.51/2,379.43
  6. Step 6: Final answer
    x = 3,020.24

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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.