Home / 2,917.07-4,376.23-942.81

Finding the Fourth Proportional to 2,917.07, 4,376.23 and 942.81

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Solution

The fourth proportional to 2,917.07, 4,376.23 and 942.81 is: 1,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.07 : 4,376.23 = 942.81 : x
  2. Step 2: Convert to fraction form
    2,917.07/4,376.23 = 942.81/x
  3. Step 3: Cross multiply
    2,917.07x = 4,376.23 × 942.81
  4. Step 4: Simplify right side
    2,917.07x = 4,125,961.99
  5. Step 5: Solve for x
    x = 4,125,961.99/2,917.07
  6. Step 6: Final answer
    x = 1,414.42

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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.