Home / 2,838.35-3,917.07-1,579.52

Finding the Fourth Proportional to 2,838.35, 3,917.07 and 1,579.52

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Solution

The fourth proportional to 2,838.35, 3,917.07 and 1,579.52 is: 2,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.35 : 3,917.07 = 1,579.52 : x
  2. Step 2: Convert to fraction form
    2,838.35/3,917.07 = 1,579.52/x
  3. Step 3: Cross multiply
    2,838.35x = 3,917.07 × 1,579.52
  4. Step 4: Simplify right side
    2,838.35x = 6,187,100.20
  5. Step 5: Solve for x
    x = 6,187,100.20/2,838.35
  6. Step 6: Final answer
    x = 2,179.82

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1.5x scale

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.