Home / 3,465.35-5,198.02-868.29

Finding the Fourth Proportional to 3,465.35, 5,198.02 and 868.29

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Solution

The fourth proportional to 3,465.35, 5,198.02 and 868.29 is: 1,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.35 : 5,198.02 = 868.29 : x
  2. Step 2: Convert to fraction form
    3,465.35/5,198.02 = 868.29/x
  3. Step 3: Cross multiply
    3,465.35x = 5,198.02 × 868.29
  4. Step 4: Simplify right side
    3,465.35x = 4,513,388.79
  5. Step 5: Solve for x
    x = 4,513,388.79/3,465.35
  6. Step 6: Final answer
    x = 1,302.43

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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.