Home / 3,627.18-5,439.60-1,161.90

Finding the Fourth Proportional to 3,627.18, 5,439.60 and 1,161.90

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Solution

The fourth proportional to 3,627.18, 5,439.60 and 1,161.90 is: 1,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.18 : 5,439.60 = 1,161.90 : x
  2. Step 2: Convert to fraction form
    3,627.18/5,439.60 = 1,161.90/x
  3. Step 3: Cross multiply
    3,627.18x = 5,439.60 × 1,161.90
  4. Step 4: Simplify right side
    3,627.18x = 6,320,271.24
  5. Step 5: Solve for x
    x = 6,320,271.24/3,627.18
  6. Step 6: Final answer
    x = 1,742.48

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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.