Home / 2,935.92-4,400.64-1,086.48

Finding the Fourth Proportional to 2,935.92, 4,400.64 and 1,086.48

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Solution

The fourth proportional to 2,935.92, 4,400.64 and 1,086.48 is: 1,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.92 : 4,400.64 = 1,086.48 : x
  2. Step 2: Convert to fraction form
    2,935.92/4,400.64 = 1,086.48/x
  3. Step 3: Cross multiply
    2,935.92x = 4,400.64 × 1,086.48
  4. Step 4: Simplify right side
    2,935.92x = 4,781,207.35
  5. Step 5: Solve for x
    x = 4,781,207.35/2,935.92
  6. Step 6: Final answer
    x = 1,628.52

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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.