Home / 3,917.83-5,876.46-1,838.29

Finding the Fourth Proportional to 3,917.83, 5,876.46 and 1,838.29

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Solution

The fourth proportional to 3,917.83, 5,876.46 and 1,838.29 is: 2,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.83 : 5,876.46 = 1,838.29 : x
  2. Step 2: Convert to fraction form
    3,917.83/5,876.46 = 1,838.29/x
  3. Step 3: Cross multiply
    3,917.83x = 5,876.46 × 1,838.29
  4. Step 4: Simplify right side
    3,917.83x = 10,802,637.65
  5. Step 5: Solve for x
    x = 10,802,637.65/3,917.83
  6. Step 6: Final answer
    x = 2,757.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.