Home / 2,633.75-3,953.01-1,402.19

Finding the Fourth Proportional to 2,633.75, 3,953.01 and 1,402.19

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Solution

The fourth proportional to 2,633.75, 3,953.01 and 1,402.19 is: 2,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.75 : 3,953.01 = 1,402.19 : x
  2. Step 2: Convert to fraction form
    2,633.75/3,953.01 = 1,402.19/x
  3. Step 3: Cross multiply
    2,633.75x = 3,953.01 × 1,402.19
  4. Step 4: Simplify right side
    2,633.75x = 5,542,880.97
  5. Step 5: Solve for x
    x = 5,542,880.97/2,633.75
  6. Step 6: Final answer
    x = 2,104.56

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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.