Home / 2,348.43-3,239.88-2,161.92

Finding the Fourth Proportional to 2,348.43, 3,239.88 and 2,161.92

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Solution

The fourth proportional to 2,348.43, 3,239.88 and 2,161.92 is: 2,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.43 : 3,239.88 = 2,161.92 : x
  2. Step 2: Convert to fraction form
    2,348.43/3,239.88 = 2,161.92/x
  3. Step 3: Cross multiply
    2,348.43x = 3,239.88 × 2,161.92
  4. Step 4: Simplify right side
    2,348.43x = 7,004,361.37
  5. Step 5: Solve for x
    x = 7,004,361.37/2,348.43
  6. Step 6: Final answer
    x = 2,982.57

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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.