Home / 3,203.26-4,422.54-2,615.20

Finding the Fourth Proportional to 3,203.26, 4,422.54 and 2,615.20

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Solution

The fourth proportional to 3,203.26, 4,422.54 and 2,615.20 is: 3,610.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.26 : 4,422.54 = 2,615.20 : x
  2. Step 2: Convert to fraction form
    3,203.26/4,422.54 = 2,615.20/x
  3. Step 3: Cross multiply
    3,203.26x = 4,422.54 × 2,615.20
  4. Step 4: Simplify right side
    3,203.26x = 11,565,826.61
  5. Step 5: Solve for x
    x = 11,565,826.61/3,203.26
  6. Step 6: Final answer
    x = 3,610.64

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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.