Home / 2,253.85-3,380.76-1,157.62

Finding the Fourth Proportional to 2,253.85, 3,380.76 and 1,157.62

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Solution

The fourth proportional to 2,253.85, 3,380.76 and 1,157.62 is: 1,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.85 : 3,380.76 = 1,157.62 : x
  2. Step 2: Convert to fraction form
    2,253.85/3,380.76 = 1,157.62/x
  3. Step 3: Cross multiply
    2,253.85x = 3,380.76 × 1,157.62
  4. Step 4: Simplify right side
    2,253.85x = 3,913,635.39
  5. Step 5: Solve for x
    x = 3,913,635.39/2,253.85
  6. Step 6: Final answer
    x = 1,736.42

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1.5x scale

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.