Home / 2,874.24-4,311.47-1,314.33

Finding the Fourth Proportional to 2,874.24, 4,311.47 and 1,314.33

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Solution

The fourth proportional to 2,874.24, 4,311.47 and 1,314.33 is: 1,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.24 : 4,311.47 = 1,314.33 : x
  2. Step 2: Convert to fraction form
    2,874.24/4,311.47 = 1,314.33/x
  3. Step 3: Cross multiply
    2,874.24x = 4,311.47 × 1,314.33
  4. Step 4: Simplify right side
    2,874.24x = 5,666,687.79
  5. Step 5: Solve for x
    x = 5,666,687.79/2,874.24
  6. Step 6: Final answer
    x = 1,971.54

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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.