Home / 3,429.66-5,119.40-2,945.82

Finding the Fourth Proportional to 3,429.66, 5,119.40 and 2,945.82

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Solution

The fourth proportional to 3,429.66, 5,119.40 and 2,945.82 is: 4,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.66 : 5,119.40 = 2,945.82 : x
  2. Step 2: Convert to fraction form
    3,429.66/5,119.40 = 2,945.82/x
  3. Step 3: Cross multiply
    3,429.66x = 5,119.40 × 2,945.82
  4. Step 4: Simplify right side
    3,429.66x = 15,080,816.18
  5. Step 5: Solve for x
    x = 15,080,816.18/3,429.66
  6. Step 6: Final answer
    x = 4,397.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.