Home / 3,713.09-5,124.51-2,221.81

Finding the Fourth Proportional to 3,713.09, 5,124.51 and 2,221.81

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Solution

The fourth proportional to 3,713.09, 5,124.51 and 2,221.81 is: 3,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.09 : 5,124.51 = 2,221.81 : x
  2. Step 2: Convert to fraction form
    3,713.09/5,124.51 = 2,221.81/x
  3. Step 3: Cross multiply
    3,713.09x = 5,124.51 × 2,221.81
  4. Step 4: Simplify right side
    3,713.09x = 11,385,674.75
  5. Step 5: Solve for x
    x = 11,385,674.75/3,713.09
  6. Step 6: Final answer
    x = 3,066.37

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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.