Home / 3,627.76-5,016.38-2,880.42

Finding the Fourth Proportional to 3,627.76, 5,016.38 and 2,880.42

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Solution

The fourth proportional to 3,627.76, 5,016.38 and 2,880.42 is: 3,982.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.76 : 5,016.38 = 2,880.42 : x
  2. Step 2: Convert to fraction form
    3,627.76/5,016.38 = 2,880.42/x
  3. Step 3: Cross multiply
    3,627.76x = 5,016.38 × 2,880.42
  4. Step 4: Simplify right side
    3,627.76x = 14,449,281.28
  5. Step 5: Solve for x
    x = 14,449,281.28/3,627.76
  6. Step 6: Final answer
    x = 3,982.98

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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.