Home / 3,675.54-5,513.31-2,135.70

Finding the Fourth Proportional to 3,675.54, 5,513.31 and 2,135.70

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Solution

The fourth proportional to 3,675.54, 5,513.31 and 2,135.70 is: 3,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.54 : 5,513.31 = 2,135.70 : x
  2. Step 2: Convert to fraction form
    3,675.54/5,513.31 = 2,135.70/x
  3. Step 3: Cross multiply
    3,675.54x = 5,513.31 × 2,135.70
  4. Step 4: Simplify right side
    3,675.54x = 11,774,776.17
  5. Step 5: Solve for x
    x = 11,774,776.17/3,675.54
  6. Step 6: Final answer
    x = 3,203.55

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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.