Home / 2,253.52-3,109.66-1,258.64

Finding the Fourth Proportional to 2,253.52, 3,109.66 and 1,258.64

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Solution

The fourth proportional to 2,253.52, 3,109.66 and 1,258.64 is: 1,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.52 : 3,109.66 = 1,258.64 : x
  2. Step 2: Convert to fraction form
    2,253.52/3,109.66 = 1,258.64/x
  3. Step 3: Cross multiply
    2,253.52x = 3,109.66 × 1,258.64
  4. Step 4: Simplify right side
    2,253.52x = 3,913,942.46
  5. Step 5: Solve for x
    x = 3,913,942.46/2,253.52
  6. Step 6: Final answer
    x = 1,736.81

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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.