Home / 3,627.91-5,016.57-2,880.55

Finding the Fourth Proportional to 3,627.91, 5,016.57 and 2,880.55

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Solution

The fourth proportional to 3,627.91, 5,016.57 and 2,880.55 is: 3,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.91 : 5,016.57 = 2,880.55 : x
  2. Step 2: Convert to fraction form
    3,627.91/5,016.57 = 2,880.55/x
  3. Step 3: Cross multiply
    3,627.91x = 5,016.57 × 2,880.55
  4. Step 4: Simplify right side
    3,627.91x = 14,450,466.31
  5. Step 5: Solve for x
    x = 14,450,466.31/3,627.91
  6. Step 6: Final answer
    x = 3,983.14

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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.