Home / 3,810.44-5,260.21-2,866.60

Finding the Fourth Proportional to 3,810.44, 5,260.21 and 2,866.60

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Solution

The fourth proportional to 3,810.44, 5,260.21 and 2,866.60 is: 3,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.44 : 5,260.21 = 2,866.60 : x
  2. Step 2: Convert to fraction form
    3,810.44/5,260.21 = 2,866.60/x
  3. Step 3: Cross multiply
    3,810.44x = 5,260.21 × 2,866.60
  4. Step 4: Simplify right side
    3,810.44x = 15,078,891.68
  5. Step 5: Solve for x
    x = 15,078,891.68/3,810.44
  6. Step 6: Final answer
    x = 3,957.25

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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.