Home / 4,129.20-5,698.26-2,240.82

Finding the Fourth Proportional to 4,129.20, 5,698.26 and 2,240.82

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Solution

The fourth proportional to 4,129.20, 5,698.26 and 2,240.82 is: 3,092.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.20 : 5,698.26 = 2,240.82 : x
  2. Step 2: Convert to fraction form
    4,129.20/5,698.26 = 2,240.82/x
  3. Step 3: Cross multiply
    4,129.20x = 5,698.26 × 2,240.82
  4. Step 4: Simplify right side
    4,129.20x = 12,768,774.97
  5. Step 5: Solve for x
    x = 12,768,774.97/4,129.20
  6. Step 6: Final answer
    x = 3,092.31

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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.