Home / 3,170.46-4,755.52-1,090.65

Finding the Fourth Proportional to 3,170.46, 4,755.52 and 1,090.65

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Solution

The fourth proportional to 3,170.46, 4,755.52 and 1,090.65 is: 1,635.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.46 : 4,755.52 = 1,090.65 : x
  2. Step 2: Convert to fraction form
    3,170.46/4,755.52 = 1,090.65/x
  3. Step 3: Cross multiply
    3,170.46x = 4,755.52 × 1,090.65
  4. Step 4: Simplify right side
    3,170.46x = 5,186,607.89
  5. Step 5: Solve for x
    x = 5,186,607.89/3,170.46
  6. Step 6: Final answer
    x = 1,635.92

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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.