Home / 3,151.37-4,348.99-1,735.21

Finding the Fourth Proportional to 3,151.37, 4,348.99 and 1,735.21

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Solution

The fourth proportional to 3,151.37, 4,348.99 and 1,735.21 is: 2,394.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.37 : 4,348.99 = 1,735.21 : x
  2. Step 2: Convert to fraction form
    3,151.37/4,348.99 = 1,735.21/x
  3. Step 3: Cross multiply
    3,151.37x = 4,348.99 × 1,735.21
  4. Step 4: Simplify right side
    3,151.37x = 7,546,395.73
  5. Step 5: Solve for x
    x = 7,546,395.73/3,151.37
  6. Step 6: Final answer
    x = 2,394.64

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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.