Home / 2,838.29-3,917.91-1,659.74

Finding the Fourth Proportional to 2,838.29, 3,917.91 and 1,659.74

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Solution

The fourth proportional to 2,838.29, 3,917.91 and 1,659.74 is: 2,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.29 : 3,917.91 = 1,659.74 : x
  2. Step 2: Convert to fraction form
    2,838.29/3,917.91 = 1,659.74/x
  3. Step 3: Cross multiply
    2,838.29x = 3,917.91 × 1,659.74
  4. Step 4: Simplify right side
    2,838.29x = 6,502,692.35
  5. Step 5: Solve for x
    x = 6,502,692.35/2,838.29
  6. Step 6: Final answer
    x = 2,291.06

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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.