Home / 3,468.40-5,204.48-1,276.81

Finding the Fourth Proportional to 3,468.40, 5,204.48 and 1,276.81

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Solution

The fourth proportional to 3,468.40, 5,204.48 and 1,276.81 is: 1,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.40 : 5,204.48 = 1,276.81 : x
  2. Step 2: Convert to fraction form
    3,468.40/5,204.48 = 1,276.81/x
  3. Step 3: Cross multiply
    3,468.40x = 5,204.48 × 1,276.81
  4. Step 4: Simplify right side
    3,468.40x = 6,645,122.29
  5. Step 5: Solve for x
    x = 6,645,122.29/3,468.40
  6. Step 6: Final answer
    x = 1,915.91

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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.