Home / 4,921.70-7,383.36-1,634.32

Finding the Fourth Proportional to 4,921.70, 7,383.36 and 1,634.32

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Solution

The fourth proportional to 4,921.70, 7,383.36 and 1,634.32 is: 2,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.70 : 7,383.36 = 1,634.32 : x
  2. Step 2: Convert to fraction form
    4,921.70/7,383.36 = 1,634.32/x
  3. Step 3: Cross multiply
    4,921.70x = 7,383.36 × 1,634.32
  4. Step 4: Simplify right side
    4,921.70x = 12,066,772.92
  5. Step 5: Solve for x
    x = 12,066,772.92/4,921.70
  6. Step 6: Final answer
    x = 2,451.75

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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.