Home / 3,429.26-4,728.06-2,799.14

Finding the Fourth Proportional to 3,429.26, 4,728.06 and 2,799.14

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Solution

The fourth proportional to 3,429.26, 4,728.06 and 2,799.14 is: 3,859.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.26 : 4,728.06 = 2,799.14 : x
  2. Step 2: Convert to fraction form
    3,429.26/4,728.06 = 2,799.14/x
  3. Step 3: Cross multiply
    3,429.26x = 4,728.06 × 2,799.14
  4. Step 4: Simplify right side
    3,429.26x = 13,234,478.23
  5. Step 5: Solve for x
    x = 13,234,478.23/3,429.26
  6. Step 6: Final answer
    x = 3,859.29

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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.