Home / 2,588.22-3,879.40-1,269.14

Finding the Fourth Proportional to 2,588.22, 3,879.40 and 1,269.14

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Solution

The fourth proportional to 2,588.22, 3,879.40 and 1,269.14 is: 1,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.22 : 3,879.40 = 1,269.14 : x
  2. Step 2: Convert to fraction form
    2,588.22/3,879.40 = 1,269.14/x
  3. Step 3: Cross multiply
    2,588.22x = 3,879.40 × 1,269.14
  4. Step 4: Simplify right side
    2,588.22x = 4,923,501.72
  5. Step 5: Solve for x
    x = 4,923,501.72/2,588.22
  6. Step 6: Final answer
    x = 1,902.27

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1.5x scale

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.