Home / 2,253.10-3,375.60-2,107.30

Finding the Fourth Proportional to 2,253.10, 3,375.60 and 2,107.30

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Solution

The fourth proportional to 2,253.10, 3,375.60 and 2,107.30 is: 3,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.10 : 3,375.60 = 2,107.30 : x
  2. Step 2: Convert to fraction form
    2,253.10/3,375.60 = 2,107.30/x
  3. Step 3: Cross multiply
    2,253.10x = 3,375.60 × 2,107.30
  4. Step 4: Simplify right side
    2,253.10x = 7,113,401.88
  5. Step 5: Solve for x
    x = 7,113,401.88/2,253.10
  6. Step 6: Final answer
    x = 3,157.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.