Home / 3,160.83-4,739.51-1,213.23

Finding the Fourth Proportional to 3,160.83, 4,739.51 and 1,213.23

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Solution

The fourth proportional to 3,160.83, 4,739.51 and 1,213.23 is: 1,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.83 : 4,739.51 = 1,213.23 : x
  2. Step 2: Convert to fraction form
    3,160.83/4,739.51 = 1,213.23/x
  3. Step 3: Cross multiply
    3,160.83x = 4,739.51 × 1,213.23
  4. Step 4: Simplify right side
    3,160.83x = 5,750,109.65
  5. Step 5: Solve for x
    x = 5,750,109.65/3,160.83
  6. Step 6: Final answer
    x = 1,819.18

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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.