Home / 3,910.28-5,866.30-1,137.08

Finding the Fourth Proportional to 3,910.28, 5,866.30 and 1,137.08

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Solution

The fourth proportional to 3,910.28, 5,866.30 and 1,137.08 is: 1,705.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.28 : 5,866.30 = 1,137.08 : x
  2. Step 2: Convert to fraction form
    3,910.28/5,866.30 = 1,137.08/x
  3. Step 3: Cross multiply
    3,910.28x = 5,866.30 × 1,137.08
  4. Step 4: Simplify right side
    3,910.28x = 6,670,452.40
  5. Step 5: Solve for x
    x = 6,670,452.40/3,910.28
  6. Step 6: Final answer
    x = 1,705.88

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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.