Home / 4,155.70-5,735.57-3,159.38

Finding the Fourth Proportional to 4,155.70, 5,735.57 and 3,159.38

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Solution

The fourth proportional to 4,155.70, 5,735.57 and 3,159.38 is: 4,360.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.70 : 5,735.57 = 3,159.38 : x
  2. Step 2: Convert to fraction form
    4,155.70/5,735.57 = 3,159.38/x
  3. Step 3: Cross multiply
    4,155.70x = 5,735.57 × 3,159.38
  4. Step 4: Simplify right side
    4,155.70x = 18,120,845.15
  5. Step 5: Solve for x
    x = 18,120,845.15/4,155.70
  6. Step 6: Final answer
    x = 4,360.48

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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.