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Finding the Fourth Proportional to 3,600.77, 4,969.50 and 2,028.97

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Solution

The fourth proportional to 3,600.77, 4,969.50 and 2,028.97 is: 2,800.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.77 : 4,969.50 = 2,028.97 : x
  2. Step 2: Convert to fraction form
    3,600.77/4,969.50 = 2,028.97/x
  3. Step 3: Cross multiply
    3,600.77x = 4,969.50 × 2,028.97
  4. Step 4: Simplify right side
    3,600.77x = 10,082,966.42
  5. Step 5: Solve for x
    x = 10,082,966.42/3,600.77
  6. Step 6: Final answer
    x = 2,800.23

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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.