Home / 2,838.12-3,917.16-1,659.30

Finding the Fourth Proportional to 2,838.12, 3,917.16 and 1,659.30

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Solution

The fourth proportional to 2,838.12, 3,917.16 and 1,659.30 is: 2,290.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.12 : 3,917.16 = 1,659.30 : x
  2. Step 2: Convert to fraction form
    2,838.12/3,917.16 = 1,659.30/x
  3. Step 3: Cross multiply
    2,838.12x = 3,917.16 × 1,659.30
  4. Step 4: Simplify right side
    2,838.12x = 6,499,743.59
  5. Step 5: Solve for x
    x = 6,499,743.59/2,838.12
  6. Step 6: Final answer
    x = 2,290.16

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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.