Home / 3,727.25-5,142.29-2,235.65

Finding the Fourth Proportional to 3,727.25, 5,142.29 and 2,235.65

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Solution

The fourth proportional to 3,727.25, 5,142.29 and 2,235.65 is: 3,084.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.25 : 5,142.29 = 2,235.65 : x
  2. Step 2: Convert to fraction form
    3,727.25/5,142.29 = 2,235.65/x
  3. Step 3: Cross multiply
    3,727.25x = 5,142.29 × 2,235.65
  4. Step 4: Simplify right side
    3,727.25x = 11,496,360.64
  5. Step 5: Solve for x
    x = 11,496,360.64/3,727.25
  6. Step 6: Final answer
    x = 3,084.41

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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.