Home / 2,395.96-3,305.26-1,556.80

Finding the Fourth Proportional to 2,395.96, 3,305.26 and 1,556.80

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Solution

The fourth proportional to 2,395.96, 3,305.26 and 1,556.80 is: 2,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.96 : 3,305.26 = 1,556.80 : x
  2. Step 2: Convert to fraction form
    2,395.96/3,305.26 = 1,556.80/x
  3. Step 3: Cross multiply
    2,395.96x = 3,305.26 × 1,556.80
  4. Step 4: Simplify right side
    2,395.96x = 5,145,628.77
  5. Step 5: Solve for x
    x = 5,145,628.77/2,395.96
  6. Step 6: Final answer
    x = 2,147.63

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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.