Home / 3,005.25-4,505.71-1,360.95

Finding the Fourth Proportional to 3,005.25, 4,505.71 and 1,360.95

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Solution

The fourth proportional to 3,005.25, 4,505.71 and 1,360.95 is: 2,040.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.25 : 4,505.71 = 1,360.95 : x
  2. Step 2: Convert to fraction form
    3,005.25/4,505.71 = 1,360.95/x
  3. Step 3: Cross multiply
    3,005.25x = 4,505.71 × 1,360.95
  4. Step 4: Simplify right side
    3,005.25x = 6,132,046.02
  5. Step 5: Solve for x
    x = 6,132,046.02/3,005.25
  6. Step 6: Final answer
    x = 2,040.44

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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.