Home / 3,386.26-5,078.76-1,536.92

Finding the Fourth Proportional to 3,386.26, 5,078.76 and 1,536.92

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Solution

The fourth proportional to 3,386.26, 5,078.76 and 1,536.92 is: 2,305.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.26 : 5,078.76 = 1,536.92 : x
  2. Step 2: Convert to fraction form
    3,386.26/5,078.76 = 1,536.92/x
  3. Step 3: Cross multiply
    3,386.26x = 5,078.76 × 1,536.92
  4. Step 4: Simplify right side
    3,386.26x = 7,805,647.82
  5. Step 5: Solve for x
    x = 7,805,647.82/3,386.26
  6. Step 6: Final answer
    x = 2,305.09

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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.