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Finding the Fourth Proportional to 1,612, 2,224.44 and 903.84

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Solution

The fourth proportional to 1,612, 2,224.44 and 903.84 is: 1,247.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612 : 2,224.44 = 903.84 : x
  2. Step 2: Convert to fraction form
    1,612/2,224.44 = 903.84/x
  3. Step 3: Cross multiply
    1,612x = 2,224.44 × 903.84
  4. Step 4: Simplify right side
    1,612x = 2,010,537.85
  5. Step 5: Solve for x
    x = 2,010,537.85/1,612
  6. Step 6: Final answer
    x = 1,247.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.