Home / 3,718.36-5,578.01-1,252.67

Finding the Fourth Proportional to 3,718.36, 5,578.01 and 1,252.67

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Solution

The fourth proportional to 3,718.36, 5,578.01 and 1,252.67 is: 1,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.36 : 5,578.01 = 1,252.67 : x
  2. Step 2: Convert to fraction form
    3,718.36/5,578.01 = 1,252.67/x
  3. Step 3: Cross multiply
    3,718.36x = 5,578.01 × 1,252.67
  4. Step 4: Simplify right side
    3,718.36x = 6,987,383.38
  5. Step 5: Solve for x
    x = 6,987,383.38/3,718.36
  6. Step 6: Final answer
    x = 1,879.16

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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.