Home / 1,604.36-2,213.25-1,006.56

Finding the Fourth Proportional to 1,604.36, 2,213.25 and 1,006.56

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Solution

The fourth proportional to 1,604.36, 2,213.25 and 1,006.56 is: 1,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.36 : 2,213.25 = 1,006.56 : x
  2. Step 2: Convert to fraction form
    1,604.36/2,213.25 = 1,006.56/x
  3. Step 3: Cross multiply
    1,604.36x = 2,213.25 × 1,006.56
  4. Step 4: Simplify right side
    1,604.36x = 2,227,764.39
  5. Step 5: Solve for x
    x = 2,227,764.39/1,604.36
  6. Step 6: Final answer
    x = 1,388.57

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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.