Home / 2,887.53-3,981.60-2,226.03

Finding the Fourth Proportional to 2,887.53, 3,981.60 and 2,226.03

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Solution

The fourth proportional to 2,887.53, 3,981.60 and 2,226.03 is: 3,069.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.53 : 3,981.60 = 2,226.03 : x
  2. Step 2: Convert to fraction form
    2,887.53/3,981.60 = 2,226.03/x
  3. Step 3: Cross multiply
    2,887.53x = 3,981.60 × 2,226.03
  4. Step 4: Simplify right side
    2,887.53x = 8,863,161.05
  5. Step 5: Solve for x
    x = 8,863,161.05/2,887.53
  6. Step 6: Final answer
    x = 3,069.46

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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.