Home / 2,253.36-3,109.52-1,258.44

Finding the Fourth Proportional to 2,253.36, 3,109.52 and 1,258.44

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Solution

The fourth proportional to 2,253.36, 3,109.52 and 1,258.44 is: 1,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.36 : 3,109.52 = 1,258.44 : x
  2. Step 2: Convert to fraction form
    2,253.36/3,109.52 = 1,258.44/x
  3. Step 3: Cross multiply
    2,253.36x = 3,109.52 × 1,258.44
  4. Step 4: Simplify right side
    2,253.36x = 3,913,144.35
  5. Step 5: Solve for x
    x = 3,913,144.35/2,253.36
  6. Step 6: Final answer
    x = 1,736.58

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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.