Home / 3,272.12-4,909.16-1,886.48

Finding the Fourth Proportional to 3,272.12, 4,909.16 and 1,886.48

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Solution

The fourth proportional to 3,272.12, 4,909.16 and 1,886.48 is: 2,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.12 : 4,909.16 = 1,886.48 : x
  2. Step 2: Convert to fraction form
    3,272.12/4,909.16 = 1,886.48/x
  3. Step 3: Cross multiply
    3,272.12x = 4,909.16 × 1,886.48
  4. Step 4: Simplify right side
    3,272.12x = 9,261,032.16
  5. Step 5: Solve for x
    x = 9,261,032.16/3,272.12
  6. Step 6: Final answer
    x = 2,830.29

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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.