Home / 3,627.90-5,004.60-2,742.17

Finding the Fourth Proportional to 3,627.90, 5,004.60 and 2,742.17

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Solution

The fourth proportional to 3,627.90, 5,004.60 and 2,742.17 is: 3,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.90 : 5,004.60 = 2,742.17 : x
  2. Step 2: Convert to fraction form
    3,627.90/5,004.60 = 2,742.17/x
  3. Step 3: Cross multiply
    3,627.90x = 5,004.60 × 2,742.17
  4. Step 4: Simplify right side
    3,627.90x = 13,723,438.96
  5. Step 5: Solve for x
    x = 13,723,438.96/3,627.90
  6. Step 6: Final answer
    x = 3,782.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.