Home / 3,792.05-5,688.84-1,600.78

Finding the Fourth Proportional to 3,792.05, 5,688.84 and 1,600.78

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Solution

The fourth proportional to 3,792.05, 5,688.84 and 1,600.78 is: 2,401.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.05 : 5,688.84 = 1,600.78 : x
  2. Step 2: Convert to fraction form
    3,792.05/5,688.84 = 1,600.78/x
  3. Step 3: Cross multiply
    3,792.05x = 5,688.84 × 1,600.78
  4. Step 4: Simplify right side
    3,792.05x = 9,106,552.85
  5. Step 5: Solve for x
    x = 9,106,552.85/3,792.05
  6. Step 6: Final answer
    x = 2,401.49

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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.