Home / 3,149.07-4,345.82-2,268.60

Finding the Fourth Proportional to 3,149.07, 4,345.82 and 2,268.60

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Solution

The fourth proportional to 3,149.07, 4,345.82 and 2,268.60 is: 3,130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.07 : 4,345.82 = 2,268.60 : x
  2. Step 2: Convert to fraction form
    3,149.07/4,345.82 = 2,268.60/x
  3. Step 3: Cross multiply
    3,149.07x = 4,345.82 × 2,268.60
  4. Step 4: Simplify right side
    3,149.07x = 9,858,927.25
  5. Step 5: Solve for x
    x = 9,858,927.25/3,149.07
  6. Step 6: Final answer
    x = 3,130.74

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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.