Home / 3,716.68-5,574.39-1,377.79

Finding the Fourth Proportional to 3,716.68, 5,574.39 and 1,377.79

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Solution

The fourth proportional to 3,716.68, 5,574.39 and 1,377.79 is: 2,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.68 : 5,574.39 = 1,377.79 : x
  2. Step 2: Convert to fraction form
    3,716.68/5,574.39 = 1,377.79/x
  3. Step 3: Cross multiply
    3,716.68x = 5,574.39 × 1,377.79
  4. Step 4: Simplify right side
    3,716.68x = 7,680,338.80
  5. Step 5: Solve for x
    x = 7,680,338.80/3,716.68
  6. Step 6: Final answer
    x = 2,066.45

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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.