Home / 3,153.05-4,348.37-1,974.23

Finding the Fourth Proportional to 3,153.05, 4,348.37 and 1,974.23

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Solution

The fourth proportional to 3,153.05, 4,348.37 and 1,974.23 is: 2,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.05 : 4,348.37 = 1,974.23 : x
  2. Step 2: Convert to fraction form
    3,153.05/4,348.37 = 1,974.23/x
  3. Step 3: Cross multiply
    3,153.05x = 4,348.37 × 1,974.23
  4. Step 4: Simplify right side
    3,153.05x = 8,584,650.89
  5. Step 5: Solve for x
    x = 8,584,650.89/3,153.05
  6. Step 6: Final answer
    x = 2,722.65

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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.