Home / 3,385.25-5,079.88-1,536.34

Finding the Fourth Proportional to 3,385.25, 5,079.88 and 1,536.34

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Solution

The fourth proportional to 3,385.25, 5,079.88 and 1,536.34 is: 2,305.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.25 : 5,079.88 = 1,536.34 : x
  2. Step 2: Convert to fraction form
    3,385.25/5,079.88 = 1,536.34/x
  3. Step 3: Cross multiply
    3,385.25x = 5,079.88 × 1,536.34
  4. Step 4: Simplify right side
    3,385.25x = 7,804,424.25
  5. Step 5: Solve for x
    x = 7,804,424.25/3,385.25
  6. Step 6: Final answer
    x = 2,305.42

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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.