Home / 3,160.26-4,741.62-1,310.91

Finding the Fourth Proportional to 3,160.26, 4,741.62 and 1,310.91

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Solution

The fourth proportional to 3,160.26, 4,741.62 and 1,310.91 is: 1,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.26 : 4,741.62 = 1,310.91 : x
  2. Step 2: Convert to fraction form
    3,160.26/4,741.62 = 1,310.91/x
  3. Step 3: Cross multiply
    3,160.26x = 4,741.62 × 1,310.91
  4. Step 4: Simplify right side
    3,160.26x = 6,215,837.07
  5. Step 5: Solve for x
    x = 6,215,837.07/3,160.26
  6. Step 6: Final answer
    x = 1,966.88

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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.