Home / 3,716.18-5,574.81-1,119.32

Finding the Fourth Proportional to 3,716.18, 5,574.81 and 1,119.32

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Solution

The fourth proportional to 3,716.18, 5,574.81 and 1,119.32 is: 1,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.18 : 5,574.81 = 1,119.32 : x
  2. Step 2: Convert to fraction form
    3,716.18/5,574.81 = 1,119.32/x
  3. Step 3: Cross multiply
    3,716.18x = 5,574.81 × 1,119.32
  4. Step 4: Simplify right side
    3,716.18x = 6,239,996.33
  5. Step 5: Solve for x
    x = 6,239,996.33/3,716.18
  6. Step 6: Final answer
    x = 1,679.14

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Why These Related Problems?

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