Home / 3,727.89-5,135.06-2,842.16

Finding the Fourth Proportional to 3,727.89, 5,135.06 and 2,842.16

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Solution

The fourth proportional to 3,727.89, 5,135.06 and 2,842.16 is: 3,914.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.89 : 5,135.06 = 2,842.16 : x
  2. Step 2: Convert to fraction form
    3,727.89/5,135.06 = 2,842.16/x
  3. Step 3: Cross multiply
    3,727.89x = 5,135.06 × 2,842.16
  4. Step 4: Simplify right side
    3,727.89x = 14,594,643.56
  5. Step 5: Solve for x
    x = 14,594,643.56/3,727.89
  6. Step 6: Final answer
    x = 3,914.99

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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.