Home / 2,561.41-3,822.12-2,285.60

Finding the Fourth Proportional to 2,561.41, 3,822.12 and 2,285.60

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Solution

The fourth proportional to 2,561.41, 3,822.12 and 2,285.60 is: 3,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561.41 : 3,822.12 = 2,285.60 : x
  2. Step 2: Convert to fraction form
    2,561.41/3,822.12 = 2,285.60/x
  3. Step 3: Cross multiply
    2,561.41x = 3,822.12 × 2,285.60
  4. Step 4: Simplify right side
    2,561.41x = 8,735,837.47
  5. Step 5: Solve for x
    x = 8,735,837.47/2,561.41
  6. Step 6: Final answer
    x = 3,410.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.