Home / 2,588.60-3,879.38-1,353.48

Finding the Fourth Proportional to 2,588.60, 3,879.38 and 1,353.48

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Solution

The fourth proportional to 2,588.60, 3,879.38 and 1,353.48 is: 2,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.60 : 3,879.38 = 1,353.48 : x
  2. Step 2: Convert to fraction form
    2,588.60/3,879.38 = 1,353.48/x
  3. Step 3: Cross multiply
    2,588.60x = 3,879.38 × 1,353.48
  4. Step 4: Simplify right side
    2,588.60x = 5,250,663.24
  5. Step 5: Solve for x
    x = 5,250,663.24/2,588.60
  6. Step 6: Final answer
    x = 2,028.38

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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.