Home / 3,639.83-5,025.32-2,841.78

Finding the Fourth Proportional to 3,639.83, 5,025.32 and 2,841.78

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Solution

The fourth proportional to 3,639.83, 5,025.32 and 2,841.78 is: 3,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.83 : 5,025.32 = 2,841.78 : x
  2. Step 2: Convert to fraction form
    3,639.83/5,025.32 = 2,841.78/x
  3. Step 3: Cross multiply
    3,639.83x = 5,025.32 × 2,841.78
  4. Step 4: Simplify right side
    3,639.83x = 14,280,853.87
  5. Step 5: Solve for x
    x = 14,280,853.87/3,639.83
  6. Step 6: Final answer
    x = 3,923.49

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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.