Home / 3,518.28-5,275.94-1,936.60

Finding the Fourth Proportional to 3,518.28, 5,275.94 and 1,936.60

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Solution

The fourth proportional to 3,518.28, 5,275.94 and 1,936.60 is: 2,904.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.28 : 5,275.94 = 1,936.60 : x
  2. Step 2: Convert to fraction form
    3,518.28/5,275.94 = 1,936.60/x
  3. Step 3: Cross multiply
    3,518.28x = 5,275.94 × 1,936.60
  4. Step 4: Simplify right side
    3,518.28x = 10,217,385.40
  5. Step 5: Solve for x
    x = 10,217,385.40/3,518.28
  6. Step 6: Final answer
    x = 2,904.09

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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.