Home / 3,430.15-5,147.82-2,259.75

Finding the Fourth Proportional to 3,430.15, 5,147.82 and 2,259.75

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Solution

The fourth proportional to 3,430.15, 5,147.82 and 2,259.75 is: 3,391.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.15 : 5,147.82 = 2,259.75 : x
  2. Step 2: Convert to fraction form
    3,430.15/5,147.82 = 2,259.75/x
  3. Step 3: Cross multiply
    3,430.15x = 5,147.82 × 2,259.75
  4. Step 4: Simplify right side
    3,430.15x = 11,632,786.25
  5. Step 5: Solve for x
    x = 11,632,786.25/3,430.15
  6. Step 6: Final answer
    x = 3,391.33

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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.