Home / 3,745.85-5,166.59-2,860.11

Finding the Fourth Proportional to 3,745.85, 5,166.59 and 2,860.11

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Solution

The fourth proportional to 3,745.85, 5,166.59 and 2,860.11 is: 3,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.85 : 5,166.59 = 2,860.11 : x
  2. Step 2: Convert to fraction form
    3,745.85/5,166.59 = 2,860.11/x
  3. Step 3: Cross multiply
    3,745.85x = 5,166.59 × 2,860.11
  4. Step 4: Simplify right side
    3,745.85x = 14,777,001.42
  5. Step 5: Solve for x
    x = 14,777,001.42/3,745.85
  6. Step 6: Final answer
    x = 3,944.90

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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.