Home / 1,606.12-2,213.79-1,074.81

Finding the Fourth Proportional to 1,606.12, 2,213.79 and 1,074.81

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Solution

The fourth proportional to 1,606.12, 2,213.79 and 1,074.81 is: 1,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.12 : 2,213.79 = 1,074.81 : x
  2. Step 2: Convert to fraction form
    1,606.12/2,213.79 = 1,074.81/x
  3. Step 3: Cross multiply
    1,606.12x = 2,213.79 × 1,074.81
  4. Step 4: Simplify right side
    1,606.12x = 2,379,403.63
  5. Step 5: Solve for x
    x = 2,379,403.63/1,606.12
  6. Step 6: Final answer
    x = 1,481.47

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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.