Home / 3,272.74-4,906.35-1,326.31

Finding the Fourth Proportional to 3,272.74, 4,906.35 and 1,326.31

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Solution

The fourth proportional to 3,272.74, 4,906.35 and 1,326.31 is: 1,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.74 : 4,906.35 = 1,326.31 : x
  2. Step 2: Convert to fraction form
    3,272.74/4,906.35 = 1,326.31/x
  3. Step 3: Cross multiply
    3,272.74x = 4,906.35 × 1,326.31
  4. Step 4: Simplify right side
    3,272.74x = 6,507,328.80
  5. Step 5: Solve for x
    x = 6,507,328.80/3,272.74
  6. Step 6: Final answer
    x = 1,988.34

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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.