Home / 3,686.90-5,530.41-1,494.09

Finding the Fourth Proportional to 3,686.90, 5,530.41 and 1,494.09

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Solution

The fourth proportional to 3,686.90, 5,530.41 and 1,494.09 is: 2,241.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.90 : 5,530.41 = 1,494.09 : x
  2. Step 2: Convert to fraction form
    3,686.90/5,530.41 = 1,494.09/x
  3. Step 3: Cross multiply
    3,686.90x = 5,530.41 × 1,494.09
  4. Step 4: Simplify right side
    3,686.90x = 8,262,930.28
  5. Step 5: Solve for x
    x = 8,262,930.28/3,686.90
  6. Step 6: Final answer
    x = 2,241.16

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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.