Home / 3,287.22-4,925.24-1,985.96

Finding the Fourth Proportional to 3,287.22, 4,925.24 and 1,985.96

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Solution

The fourth proportional to 3,287.22, 4,925.24 and 1,985.96 is: 2,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.22 : 4,925.24 = 1,985.96 : x
  2. Step 2: Convert to fraction form
    3,287.22/4,925.24 = 1,985.96/x
  3. Step 3: Cross multiply
    3,287.22x = 4,925.24 × 1,985.96
  4. Step 4: Simplify right side
    3,287.22x = 9,781,329.63
  5. Step 5: Solve for x
    x = 9,781,329.63/3,287.22
  6. Step 6: Final answer
    x = 2,975.56

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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.