Home / 2,252.78-3,105.26-1,803.19

Finding the Fourth Proportional to 2,252.78, 3,105.26 and 1,803.19

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Solution

The fourth proportional to 2,252.78, 3,105.26 and 1,803.19 is: 2,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.78 : 3,105.26 = 1,803.19 : x
  2. Step 2: Convert to fraction form
    2,252.78/3,105.26 = 1,803.19/x
  3. Step 3: Cross multiply
    2,252.78x = 3,105.26 × 1,803.19
  4. Step 4: Simplify right side
    2,252.78x = 5,599,364.89
  5. Step 5: Solve for x
    x = 5,599,364.89/2,252.78
  6. Step 6: Final answer
    x = 2,485.53

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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.