Home / 3,745.20-5,616.36-1,552.80

Finding the Fourth Proportional to 3,745.20, 5,616.36 and 1,552.80

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Solution

The fourth proportional to 3,745.20, 5,616.36 and 1,552.80 is: 2,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.20 : 5,616.36 = 1,552.80 : x
  2. Step 2: Convert to fraction form
    3,745.20/5,616.36 = 1,552.80/x
  3. Step 3: Cross multiply
    3,745.20x = 5,616.36 × 1,552.80
  4. Step 4: Simplify right side
    3,745.20x = 8,721,083.81
  5. Step 5: Solve for x
    x = 8,721,083.81/3,745.20
  6. Step 6: Final answer
    x = 2,328.60

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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.