Home / 4,243.57-5,855.45-2,355.11

Finding the Fourth Proportional to 4,243.57, 5,855.45 and 2,355.11

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Solution

The fourth proportional to 4,243.57, 5,855.45 and 2,355.11 is: 3,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.57 : 5,855.45 = 2,355.11 : x
  2. Step 2: Convert to fraction form
    4,243.57/5,855.45 = 2,355.11/x
  3. Step 3: Cross multiply
    4,243.57x = 5,855.45 × 2,355.11
  4. Step 4: Simplify right side
    4,243.57x = 13,790,247.43
  5. Step 5: Solve for x
    x = 13,790,247.43/4,243.57
  6. Step 6: Final answer
    x = 3,249.68

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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.