Home / 2,174.60-3,001.67-1,379.25

Finding the Fourth Proportional to 2,174.60, 3,001.67 and 1,379.25

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Solution

The fourth proportional to 2,174.60, 3,001.67 and 1,379.25 is: 1,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.60 : 3,001.67 = 1,379.25 : x
  2. Step 2: Convert to fraction form
    2,174.60/3,001.67 = 1,379.25/x
  3. Step 3: Cross multiply
    2,174.60x = 3,001.67 × 1,379.25
  4. Step 4: Simplify right side
    2,174.60x = 4,140,051.62
  5. Step 5: Solve for x
    x = 4,140,051.62/2,174.60
  6. Step 6: Final answer
    x = 1,903.82

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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.