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Finding the Fourth Proportional to 2,863.92, 3,953.16 and 1,745.58

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Solution

The fourth proportional to 2,863.92, 3,953.16 and 1,745.58 is: 2,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.92 : 3,953.16 = 1,745.58 : x
  2. Step 2: Convert to fraction form
    2,863.92/3,953.16 = 1,745.58/x
  3. Step 3: Cross multiply
    2,863.92x = 3,953.16 × 1,745.58
  4. Step 4: Simplify right side
    2,863.92x = 6,900,557.03
  5. Step 5: Solve for x
    x = 6,900,557.03/2,863.92
  6. Step 6: Final answer
    x = 2,409.48

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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.