Home / 3,151.25-4,348.46-1,825.03

Finding the Fourth Proportional to 3,151.25, 4,348.46 and 1,825.03

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Solution

The fourth proportional to 3,151.25, 4,348.46 and 1,825.03 is: 2,518.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.25 : 4,348.46 = 1,825.03 : x
  2. Step 2: Convert to fraction form
    3,151.25/4,348.46 = 1,825.03/x
  3. Step 3: Cross multiply
    3,151.25x = 4,348.46 × 1,825.03
  4. Step 4: Simplify right side
    3,151.25x = 7,936,069.95
  5. Step 5: Solve for x
    x = 7,936,069.95/3,151.25
  6. Step 6: Final answer
    x = 2,518.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.