Home / 3,857.44-5,324.88-2,581.60

Finding the Fourth Proportional to 3,857.44, 5,324.88 and 2,581.60

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Solution

The fourth proportional to 3,857.44, 5,324.88 and 2,581.60 is: 3,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.44 : 5,324.88 = 2,581.60 : x
  2. Step 2: Convert to fraction form
    3,857.44/5,324.88 = 2,581.60/x
  3. Step 3: Cross multiply
    3,857.44x = 5,324.88 × 2,581.60
  4. Step 4: Simplify right side
    3,857.44x = 13,746,710.21
  5. Step 5: Solve for x
    x = 13,746,710.21/3,857.44
  6. Step 6: Final answer
    x = 3,563.69

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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.