Home / 3,809.24-5,713.80-1,212.14

Finding the Fourth Proportional to 3,809.24, 5,713.80 and 1,212.14

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Solution

The fourth proportional to 3,809.24, 5,713.80 and 1,212.14 is: 1,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.24 : 5,713.80 = 1,212.14 : x
  2. Step 2: Convert to fraction form
    3,809.24/5,713.80 = 1,212.14/x
  3. Step 3: Cross multiply
    3,809.24x = 5,713.80 × 1,212.14
  4. Step 4: Simplify right side
    3,809.24x = 6,925,925.53
  5. Step 5: Solve for x
    x = 6,925,925.53/3,809.24
  6. Step 6: Final answer
    x = 1,818.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.