Home / 3,639.57-5,022.60-1,983.57

Finding the Fourth Proportional to 3,639.57, 5,022.60 and 1,983.57

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Solution

The fourth proportional to 3,639.57, 5,022.60 and 1,983.57 is: 2,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.57 : 5,022.60 = 1,983.57 : x
  2. Step 2: Convert to fraction form
    3,639.57/5,022.60 = 1,983.57/x
  3. Step 3: Cross multiply
    3,639.57x = 5,022.60 × 1,983.57
  4. Step 4: Simplify right side
    3,639.57x = 9,962,678.68
  5. Step 5: Solve for x
    x = 9,962,678.68/3,639.57
  6. Step 6: Final answer
    x = 2,737.32

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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.