Home / 3,895.10-5,854.80-3,822.20

Finding the Fourth Proportional to 3,895.10, 5,854.80 and 3,822.20

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Solution

The fourth proportional to 3,895.10, 5,854.80 and 3,822.20 is: 5,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.10 : 5,854.80 = 3,822.20 : x
  2. Step 2: Convert to fraction form
    3,895.10/5,854.80 = 3,822.20/x
  3. Step 3: Cross multiply
    3,895.10x = 5,854.80 × 3,822.20
  4. Step 4: Simplify right side
    3,895.10x = 22,378,216.56
  5. Step 5: Solve for x
    x = 22,378,216.56/3,895.10
  6. Step 6: Final answer
    x = 5,745.22

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1.5x scale

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.