Home / 3,904.11-5,856.57-1,271.82

Finding the Fourth Proportional to 3,904.11, 5,856.57 and 1,271.82

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Solution

The fourth proportional to 3,904.11, 5,856.57 and 1,271.82 is: 1,907.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.11 : 5,856.57 = 1,271.82 : x
  2. Step 2: Convert to fraction form
    3,904.11/5,856.57 = 1,271.82/x
  3. Step 3: Cross multiply
    3,904.11x = 5,856.57 × 1,271.82
  4. Step 4: Simplify right side
    3,904.11x = 7,448,470.40
  5. Step 5: Solve for x
    x = 7,448,470.40/3,904.11
  6. Step 6: Final answer
    x = 1,907.86

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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.