Home / 2,917.76-4,374.19-1,273.05

Finding the Fourth Proportional to 2,917.76, 4,374.19 and 1,273.05

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Solution

The fourth proportional to 2,917.76, 4,374.19 and 1,273.05 is: 1,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.76 : 4,374.19 = 1,273.05 : x
  2. Step 2: Convert to fraction form
    2,917.76/4,374.19 = 1,273.05/x
  3. Step 3: Cross multiply
    2,917.76x = 4,374.19 × 1,273.05
  4. Step 4: Simplify right side
    2,917.76x = 5,568,557.01
  5. Step 5: Solve for x
    x = 5,568,557.01/2,917.76
  6. Step 6: Final answer
    x = 1,908.51

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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.