Home / 3,513.46-5,273.39-1,871.39

Finding the Fourth Proportional to 3,513.46, 5,273.39 and 1,871.39

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Solution

The fourth proportional to 3,513.46, 5,273.39 and 1,871.39 is: 2,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.46 : 5,273.39 = 1,871.39 : x
  2. Step 2: Convert to fraction form
    3,513.46/5,273.39 = 1,871.39/x
  3. Step 3: Cross multiply
    3,513.46x = 5,273.39 × 1,871.39
  4. Step 4: Simplify right side
    3,513.46x = 9,868,569.31
  5. Step 5: Solve for x
    x = 9,868,569.31/3,513.46
  6. Step 6: Final answer
    x = 2,808.79

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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.