Home / 3,639.64-5,022.78-2,046.32

Finding the Fourth Proportional to 3,639.64, 5,022.78 and 2,046.32

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Solution

The fourth proportional to 3,639.64, 5,022.78 and 2,046.32 is: 2,823.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.64 : 5,022.78 = 2,046.32 : x
  2. Step 2: Convert to fraction form
    3,639.64/5,022.78 = 2,046.32/x
  3. Step 3: Cross multiply
    3,639.64x = 5,022.78 × 2,046.32
  4. Step 4: Simplify right side
    3,639.64x = 10,278,215.17
  5. Step 5: Solve for x
    x = 10,278,215.17/3,639.64
  6. Step 6: Final answer
    x = 2,823.96

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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.