Home / 3,383.57-5,071.89-1,919.63

Finding the Fourth Proportional to 3,383.57, 5,071.89 and 1,919.63

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Solution

The fourth proportional to 3,383.57, 5,071.89 and 1,919.63 is: 2,877.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.57 : 5,071.89 = 1,919.63 : x
  2. Step 2: Convert to fraction form
    3,383.57/5,071.89 = 1,919.63/x
  3. Step 3: Cross multiply
    3,383.57x = 5,071.89 × 1,919.63
  4. Step 4: Simplify right side
    3,383.57x = 9,736,126.84
  5. Step 5: Solve for x
    x = 9,736,126.84/3,383.57
  6. Step 6: Final answer
    x = 2,877.48

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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.