Home / 2,268.75-3,131.24-1,337.07

Finding the Fourth Proportional to 2,268.75, 3,131.24 and 1,337.07

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Solution

The fourth proportional to 2,268.75, 3,131.24 and 1,337.07 is: 1,845.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.75 : 3,131.24 = 1,337.07 : x
  2. Step 2: Convert to fraction form
    2,268.75/3,131.24 = 1,337.07/x
  3. Step 3: Cross multiply
    2,268.75x = 3,131.24 × 1,337.07
  4. Step 4: Simplify right side
    2,268.75x = 4,186,680.38
  5. Step 5: Solve for x
    x = 4,186,680.38/2,268.75
  6. Step 6: Final answer
    x = 1,845.37

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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.