Home / 3,627.45-5,003.46-2,880.21

Finding the Fourth Proportional to 3,627.45, 5,003.46 and 2,880.21

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Solution

The fourth proportional to 3,627.45, 5,003.46 and 2,880.21 is: 3,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.45 : 5,003.46 = 2,880.21 : x
  2. Step 2: Convert to fraction form
    3,627.45/5,003.46 = 2,880.21/x
  3. Step 3: Cross multiply
    3,627.45x = 5,003.46 × 2,880.21
  4. Step 4: Simplify right side
    3,627.45x = 14,411,015.53
  5. Step 5: Solve for x
    x = 14,411,015.53/3,627.45
  6. Step 6: Final answer
    x = 3,972.77

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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.