Home / 3,160.43-4,739.62-1,310.55

Finding the Fourth Proportional to 3,160.43, 4,739.62 and 1,310.55

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Solution

The fourth proportional to 3,160.43, 4,739.62 and 1,310.55 is: 1,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.43 : 4,739.62 = 1,310.55 : x
  2. Step 2: Convert to fraction form
    3,160.43/4,739.62 = 1,310.55/x
  3. Step 3: Cross multiply
    3,160.43x = 4,739.62 × 1,310.55
  4. Step 4: Simplify right side
    3,160.43x = 6,211,508.99
  5. Step 5: Solve for x
    x = 6,211,508.99/3,160.43
  6. Step 6: Final answer
    x = 1,965.40

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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.