Home / 3,667.90-5,502.66-1,820.02

Finding the Fourth Proportional to 3,667.90, 5,502.66 and 1,820.02

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Solution

The fourth proportional to 3,667.90, 5,502.66 and 1,820.02 is: 2,730.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,667.90 : 5,502.66 = 1,820.02 : x
  2. Step 2: Convert to fraction form
    3,667.90/5,502.66 = 1,820.02/x
  3. Step 3: Cross multiply
    3,667.90x = 5,502.66 × 1,820.02
  4. Step 4: Simplify right side
    3,667.90x = 10,014,951.25
  5. Step 5: Solve for x
    x = 10,014,951.25/3,667.90
  6. Step 6: Final answer
    x = 2,730.43

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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.