Home / 2,838.75-3,917.47-1,579.77

Finding the Fourth Proportional to 2,838.75, 3,917.47 and 1,579.77

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Solution

The fourth proportional to 2,838.75, 3,917.47 and 1,579.77 is: 2,180.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.75 : 3,917.47 = 1,579.77 : x
  2. Step 2: Convert to fraction form
    2,838.75/3,917.47 = 1,579.77/x
  3. Step 3: Cross multiply
    2,838.75x = 3,917.47 × 1,579.77
  4. Step 4: Simplify right side
    2,838.75x = 6,188,701.58
  5. Step 5: Solve for x
    x = 6,188,701.58/2,838.75
  6. Step 6: Final answer
    x = 2,180.08

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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.