Home / 4,155.75-5,735.34-2,292.75

Finding the Fourth Proportional to 4,155.75, 5,735.34 and 2,292.75

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Solution

The fourth proportional to 4,155.75, 5,735.34 and 2,292.75 is: 3,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.75 : 5,735.34 = 2,292.75 : x
  2. Step 2: Convert to fraction form
    4,155.75/5,735.34 = 2,292.75/x
  3. Step 3: Cross multiply
    4,155.75x = 5,735.34 × 2,292.75
  4. Step 4: Simplify right side
    4,155.75x = 13,149,700.79
  5. Step 5: Solve for x
    x = 13,149,700.79/4,155.75
  6. Step 6: Final answer
    x = 3,164.22

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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.