Home / 3,745.30-5,131.05-3,605.10

Finding the Fourth Proportional to 3,745.30, 5,131.05 and 3,605.10

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Solution

The fourth proportional to 3,745.30, 5,131.05 and 3,605.10 is: 4,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.30 : 5,131.05 = 3,605.10 : x
  2. Step 2: Convert to fraction form
    3,745.30/5,131.05 = 3,605.10/x
  3. Step 3: Cross multiply
    3,745.30x = 5,131.05 × 3,605.10
  4. Step 4: Simplify right side
    3,745.30x = 18,497,904.67
  5. Step 5: Solve for x
    x = 18,497,904.67/3,745.30
  6. Step 6: Final answer
    x = 4,938.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.