Home / 3,759.08-5,627.82-2,830.28

Finding the Fourth Proportional to 3,759.08, 5,627.82 and 2,830.28

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Solution

The fourth proportional to 3,759.08, 5,627.82 and 2,830.28 is: 4,237.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.08 : 5,627.82 = 2,830.28 : x
  2. Step 2: Convert to fraction form
    3,759.08/5,627.82 = 2,830.28/x
  3. Step 3: Cross multiply
    3,759.08x = 5,627.82 × 2,830.28
  4. Step 4: Simplify right side
    3,759.08x = 15,928,306.39
  5. Step 5: Solve for x
    x = 15,928,306.39/3,759.08
  6. Step 6: Final answer
    x = 4,237.29

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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.