Home / 3,103.45-4,656.54-1,258.17

Finding the Fourth Proportional to 3,103.45, 4,656.54 and 1,258.17

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Solution

The fourth proportional to 3,103.45, 4,656.54 and 1,258.17 is: 1,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.45 : 4,656.54 = 1,258.17 : x
  2. Step 2: Convert to fraction form
    3,103.45/4,656.54 = 1,258.17/x
  3. Step 3: Cross multiply
    3,103.45x = 4,656.54 × 1,258.17
  4. Step 4: Simplify right side
    3,103.45x = 5,858,718.93
  5. Step 5: Solve for x
    x = 5,858,718.93/3,103.45
  6. Step 6: Final answer
    x = 1,887.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.