Home / 3,639.57-5,020.71-2,753.84

Finding the Fourth Proportional to 3,639.57, 5,020.71 and 2,753.84

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Solution

The fourth proportional to 3,639.57, 5,020.71 and 2,753.84 is: 3,798.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.57 : 5,020.71 = 2,753.84 : x
  2. Step 2: Convert to fraction form
    3,639.57/5,020.71 = 2,753.84/x
  3. Step 3: Cross multiply
    3,639.57x = 5,020.71 × 2,753.84
  4. Step 4: Simplify right side
    3,639.57x = 13,826,206.92
  5. Step 5: Solve for x
    x = 13,826,206.92/3,639.57
  6. Step 6: Final answer
    x = 3,798.86

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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.