Home / 3,627.91-5,398.41-3,615.60

Finding the Fourth Proportional to 3,627.91, 5,398.41 and 3,615.60

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Solution

The fourth proportional to 3,627.91, 5,398.41 and 3,615.60 is: 5,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.91 : 5,398.41 = 3,615.60 : x
  2. Step 2: Convert to fraction form
    3,627.91/5,398.41 = 3,615.60/x
  3. Step 3: Cross multiply
    3,627.91x = 5,398.41 × 3,615.60
  4. Step 4: Simplify right side
    3,627.91x = 19,518,504.66
  5. Step 5: Solve for x
    x = 19,518,504.66/3,627.91
  6. Step 6: Final answer
    x = 5,380.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.