Home / 3,890.44-5,367.28-2,395.77

Finding the Fourth Proportional to 3,890.44, 5,367.28 and 2,395.77

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Solution

The fourth proportional to 3,890.44, 5,367.28 and 2,395.77 is: 3,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.44 : 5,367.28 = 2,395.77 : x
  2. Step 2: Convert to fraction form
    3,890.44/5,367.28 = 2,395.77/x
  3. Step 3: Cross multiply
    3,890.44x = 5,367.28 × 2,395.77
  4. Step 4: Simplify right side
    3,890.44x = 12,858,768.41
  5. Step 5: Solve for x
    x = 12,858,768.41/3,890.44
  6. Step 6: Final answer
    x = 3,305.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.