Home / 3,160.72-4,739.82-1,310.58

Finding the Fourth Proportional to 3,160.72, 4,739.82 and 1,310.58

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Solution

The fourth proportional to 3,160.72, 4,739.82 and 1,310.58 is: 1,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.72 : 4,739.82 = 1,310.58 : x
  2. Step 2: Convert to fraction form
    3,160.72/4,739.82 = 1,310.58/x
  3. Step 3: Cross multiply
    3,160.72x = 4,739.82 × 1,310.58
  4. Step 4: Simplify right side
    3,160.72x = 6,211,908.38
  5. Step 5: Solve for x
    x = 6,211,908.38/3,160.72
  6. Step 6: Final answer
    x = 1,965.35

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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.