Home / 2,556.98-3,829.38-1,580.12

Finding the Fourth Proportional to 2,556.98, 3,829.38 and 1,580.12

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Solution

The fourth proportional to 2,556.98, 3,829.38 and 1,580.12 is: 2,366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.98 : 3,829.38 = 1,580.12 : x
  2. Step 2: Convert to fraction form
    2,556.98/3,829.38 = 1,580.12/x
  3. Step 3: Cross multiply
    2,556.98x = 3,829.38 × 1,580.12
  4. Step 4: Simplify right side
    2,556.98x = 6,050,879.93
  5. Step 5: Solve for x
    x = 6,050,879.93/2,556.98
  6. Step 6: Final answer
    x = 2,366.42

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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.