Home / 3,745.15-5,619.14-1,553.69

Finding the Fourth Proportional to 3,745.15, 5,619.14 and 1,553.69

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Solution

The fourth proportional to 3,745.15, 5,619.14 and 1,553.69 is: 2,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.15 : 5,619.14 = 1,553.69 : x
  2. Step 2: Convert to fraction form
    3,745.15/5,619.14 = 1,553.69/x
  3. Step 3: Cross multiply
    3,745.15x = 5,619.14 × 1,553.69
  4. Step 4: Simplify right side
    3,745.15x = 8,730,401.63
  5. Step 5: Solve for x
    x = 8,730,401.63/3,745.15
  6. Step 6: Final answer
    x = 2,331.12

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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.