Home / 1,611.33-2,223.77-1,348.89

Finding the Fourth Proportional to 1,611.33, 2,223.77 and 1,348.89

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Solution

The fourth proportional to 1,611.33, 2,223.77 and 1,348.89 is: 1,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.33 : 2,223.77 = 1,348.89 : x
  2. Step 2: Convert to fraction form
    1,611.33/2,223.77 = 1,348.89/x
  3. Step 3: Cross multiply
    1,611.33x = 2,223.77 × 1,348.89
  4. Step 4: Simplify right side
    1,611.33x = 2,999,614.37
  5. Step 5: Solve for x
    x = 2,999,614.37/1,611.33
  6. Step 6: Final answer
    x = 1,861.58

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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.