Home / 3,448.55-5,174.22-1,886.66

Finding the Fourth Proportional to 3,448.55, 5,174.22 and 1,886.66

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Solution

The fourth proportional to 3,448.55, 5,174.22 and 1,886.66 is: 2,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.55 : 5,174.22 = 1,886.66 : x
  2. Step 2: Convert to fraction form
    3,448.55/5,174.22 = 1,886.66/x
  3. Step 3: Cross multiply
    3,448.55x = 5,174.22 × 1,886.66
  4. Step 4: Simplify right side
    3,448.55x = 9,761,968.03
  5. Step 5: Solve for x
    x = 9,761,968.03/3,448.55
  6. Step 6: Final answer
    x = 2,830.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.