Home / 3,718.82-5,578.23-1,410.32

Finding the Fourth Proportional to 3,718.82, 5,578.23 and 1,410.32

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Solution

The fourth proportional to 3,718.82, 5,578.23 and 1,410.32 is: 2,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.82 : 5,578.23 = 1,410.32 : x
  2. Step 2: Convert to fraction form
    3,718.82/5,578.23 = 1,410.32/x
  3. Step 3: Cross multiply
    3,718.82x = 5,578.23 × 1,410.32
  4. Step 4: Simplify right side
    3,718.82x = 7,867,054.39
  5. Step 5: Solve for x
    x = 7,867,054.39/3,718.82
  6. Step 6: Final answer
    x = 2,115.47

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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.