Home / 3,745.68-5,615.52-2,572.12

Finding the Fourth Proportional to 3,745.68, 5,615.52 and 2,572.12

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Solution

The fourth proportional to 3,745.68, 5,615.52 and 2,572.12 is: 3,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.68 : 5,615.52 = 2,572.12 : x
  2. Step 2: Convert to fraction form
    3,745.68/5,615.52 = 2,572.12/x
  3. Step 3: Cross multiply
    3,745.68x = 5,615.52 × 2,572.12
  4. Step 4: Simplify right side
    3,745.68x = 14,443,791.30
  5. Step 5: Solve for x
    x = 14,443,791.30/3,745.68
  6. Step 6: Final answer
    x = 3,856.12

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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.