Home / 3,203.72-4,419.45-2,606.88

Finding the Fourth Proportional to 3,203.72, 4,419.45 and 2,606.88

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Solution

The fourth proportional to 3,203.72, 4,419.45 and 2,606.88 is: 3,596.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.72 : 4,419.45 = 2,606.88 : x
  2. Step 2: Convert to fraction form
    3,203.72/4,419.45 = 2,606.88/x
  3. Step 3: Cross multiply
    3,203.72x = 4,419.45 × 2,606.88
  4. Step 4: Simplify right side
    3,203.72x = 11,520,975.82
  5. Step 5: Solve for x
    x = 11,520,975.82/3,203.72
  6. Step 6: Final answer
    x = 3,596.13

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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.