Home / 2,253.92-3,110.64-1,322.72

Finding the Fourth Proportional to 2,253.92, 3,110.64 and 1,322.72

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Solution

The fourth proportional to 2,253.92, 3,110.64 and 1,322.72 is: 1,825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.92 : 3,110.64 = 1,322.72 : x
  2. Step 2: Convert to fraction form
    2,253.92/3,110.64 = 1,322.72/x
  3. Step 3: Cross multiply
    2,253.92x = 3,110.64 × 1,322.72
  4. Step 4: Simplify right side
    2,253.92x = 4,114,505.74
  5. Step 5: Solve for x
    x = 4,114,505.74/2,253.92
  6. Step 6: Final answer
    x = 1,825.49

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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.