Home / 3,434.87-5,139.99-2,974.23

Finding the Fourth Proportional to 3,434.87, 5,139.99 and 2,974.23

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Solution

The fourth proportional to 3,434.87, 5,139.99 and 2,974.23 is: 4,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.87 : 5,139.99 = 2,974.23 : x
  2. Step 2: Convert to fraction form
    3,434.87/5,139.99 = 2,974.23/x
  3. Step 3: Cross multiply
    3,434.87x = 5,139.99 × 2,974.23
  4. Step 4: Simplify right side
    3,434.87x = 15,287,512.46
  5. Step 5: Solve for x
    x = 15,287,512.46/3,434.87
  6. Step 6: Final answer
    x = 4,450.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.