Home / 3,639.32-5,022.25-1,983.32

Finding the Fourth Proportional to 3,639.32, 5,022.25 and 1,983.32

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Solution

The fourth proportional to 3,639.32, 5,022.25 and 1,983.32 is: 2,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.32 : 5,022.25 = 1,983.32 : x
  2. Step 2: Convert to fraction form
    3,639.32/5,022.25 = 1,983.32/x
  3. Step 3: Cross multiply
    3,639.32x = 5,022.25 × 1,983.32
  4. Step 4: Simplify right side
    3,639.32x = 9,960,703.76
  5. Step 5: Solve for x
    x = 9,960,703.76/3,639.32
  6. Step 6: Final answer
    x = 2,736.97

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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.