Home / 3,170.64-4,755.52-1,090.56

Finding the Fourth Proportional to 3,170.64, 4,755.52 and 1,090.56

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Solution

The fourth proportional to 3,170.64, 4,755.52 and 1,090.56 is: 1,635.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.64 : 4,755.52 = 1,090.56 : x
  2. Step 2: Convert to fraction form
    3,170.64/4,755.52 = 1,090.56/x
  3. Step 3: Cross multiply
    3,170.64x = 4,755.52 × 1,090.56
  4. Step 4: Simplify right side
    3,170.64x = 5,186,179.89
  5. Step 5: Solve for x
    x = 5,186,179.89/3,170.64
  6. Step 6: Final answer
    x = 1,635.69

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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.