Home / 3,468.25-5,202.89-1,276.81

Finding the Fourth Proportional to 3,468.25, 5,202.89 and 1,276.81

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Solution

The fourth proportional to 3,468.25, 5,202.89 and 1,276.81 is: 1,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.25 : 5,202.89 = 1,276.81 : x
  2. Step 2: Convert to fraction form
    3,468.25/5,202.89 = 1,276.81/x
  3. Step 3: Cross multiply
    3,468.25x = 5,202.89 × 1,276.81
  4. Step 4: Simplify right side
    3,468.25x = 6,643,105.17
  5. Step 5: Solve for x
    x = 6,643,105.17/3,468.25
  6. Step 6: Final answer
    x = 1,915.41

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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.