Home / 3,325.44-4,985.28-1,272

Finding the Fourth Proportional to 3,325.44, 4,985.28 and 1,272

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Solution

The fourth proportional to 3,325.44, 4,985.28 and 1,272 is: 1,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.44 : 4,985.28 = 1,272 : x
  2. Step 2: Convert to fraction form
    3,325.44/4,985.28 = 1,272/x
  3. Step 3: Cross multiply
    3,325.44x = 4,985.28 × 1,272
  4. Step 4: Simplify right side
    3,325.44x = 6,341,276.16
  5. Step 5: Solve for x
    x = 6,341,276.16/3,325.44
  6. Step 6: Final answer
    x = 1,906.90

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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.