Home / 2,149.71-2,965.73-1,705.83

Finding the Fourth Proportional to 2,149.71, 2,965.73 and 1,705.83

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Solution

The fourth proportional to 2,149.71, 2,965.73 and 1,705.83 is: 2,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.71 : 2,965.73 = 1,705.83 : x
  2. Step 2: Convert to fraction form
    2,149.71/2,965.73 = 1,705.83/x
  3. Step 3: Cross multiply
    2,149.71x = 2,965.73 × 1,705.83
  4. Step 4: Simplify right side
    2,149.71x = 5,059,022.68
  5. Step 5: Solve for x
    x = 5,059,022.68/2,149.71
  6. Step 6: Final answer
    x = 2,353.35

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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.