Home / 3,810.44-5,260.92-2,930.84

Finding the Fourth Proportional to 3,810.44, 5,260.92 and 2,930.84

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Solution

The fourth proportional to 3,810.44, 5,260.92 and 2,930.84 is: 4,046.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.44 : 5,260.92 = 2,930.84 : x
  2. Step 2: Convert to fraction form
    3,810.44/5,260.92 = 2,930.84/x
  3. Step 3: Cross multiply
    3,810.44x = 5,260.92 × 2,930.84
  4. Step 4: Simplify right side
    3,810.44x = 15,418,914.77
  5. Step 5: Solve for x
    x = 15,418,914.77/3,810.44
  6. Step 6: Final answer
    x = 4,046.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.