Home / 2,716.81-3,744.84-2,218.57

Finding the Fourth Proportional to 2,716.81, 3,744.84 and 2,218.57

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Solution

The fourth proportional to 2,716.81, 3,744.84 and 2,218.57 is: 3,058.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.81 : 3,744.84 = 2,218.57 : x
  2. Step 2: Convert to fraction form
    2,716.81/3,744.84 = 2,218.57/x
  3. Step 3: Cross multiply
    2,716.81x = 3,744.84 × 2,218.57
  4. Step 4: Simplify right side
    2,716.81x = 8,308,189.68
  5. Step 5: Solve for x
    x = 8,308,189.68/2,716.81
  6. Step 6: Final answer
    x = 3,058.07

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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.