Home / 3,107.30-4,287.37-2,268.46

Finding the Fourth Proportional to 3,107.30, 4,287.37 and 2,268.46

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Solution

The fourth proportional to 3,107.30, 4,287.37 and 2,268.46 is: 3,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.30 : 4,287.37 = 2,268.46 : x
  2. Step 2: Convert to fraction form
    3,107.30/4,287.37 = 2,268.46/x
  3. Step 3: Cross multiply
    3,107.30x = 4,287.37 × 2,268.46
  4. Step 4: Simplify right side
    3,107.30x = 9,725,727.35
  5. Step 5: Solve for x
    x = 9,725,727.35/3,107.30
  6. Step 6: Final answer
    x = 3,129.96

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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.