Home / 3,755.40-5,628.16-2,763.57

Finding the Fourth Proportional to 3,755.40, 5,628.16 and 2,763.57

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Solution

The fourth proportional to 3,755.40, 5,628.16 and 2,763.57 is: 4,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.40 : 5,628.16 = 2,763.57 : x
  2. Step 2: Convert to fraction form
    3,755.40/5,628.16 = 2,763.57/x
  3. Step 3: Cross multiply
    3,755.40x = 5,628.16 × 2,763.57
  4. Step 4: Simplify right side
    3,755.40x = 15,553,792.90
  5. Step 5: Solve for x
    x = 15,553,792.90/3,755.40
  6. Step 6: Final answer
    x = 4,141.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.