Home / 3,905.13-5,856.22-1,271.95

Finding the Fourth Proportional to 3,905.13, 5,856.22 and 1,271.95

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Solution

The fourth proportional to 3,905.13, 5,856.22 and 1,271.95 is: 1,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.13 : 5,856.22 = 1,271.95 : x
  2. Step 2: Convert to fraction form
    3,905.13/5,856.22 = 1,271.95/x
  3. Step 3: Cross multiply
    3,905.13x = 5,856.22 × 1,271.95
  4. Step 4: Simplify right side
    3,905.13x = 7,448,819.03
  5. Step 5: Solve for x
    x = 7,448,819.03/3,905.13
  6. Step 6: Final answer
    x = 1,907.44

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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.