Home / 1,606.19-2,213.90-1,074.89

Finding the Fourth Proportional to 1,606.19, 2,213.90 and 1,074.89

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Solution

The fourth proportional to 1,606.19, 2,213.90 and 1,074.89 is: 1,481.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606.19 : 2,213.90 = 1,074.89 : x
  2. Step 2: Convert to fraction form
    1,606.19/2,213.90 = 1,074.89/x
  3. Step 3: Cross multiply
    1,606.19x = 2,213.90 × 1,074.89
  4. Step 4: Simplify right side
    1,606.19x = 2,379,682.53
  5. Step 5: Solve for x
    x = 2,379,682.53/1,606.19
  6. Step 6: Final answer
    x = 1,481.57

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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.