Home / 3,556.82-4,907.31-2,379.08

Finding the Fourth Proportional to 3,556.82, 4,907.31 and 2,379.08

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Solution

The fourth proportional to 3,556.82, 4,907.31 and 2,379.08 is: 3,282.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.82 : 4,907.31 = 2,379.08 : x
  2. Step 2: Convert to fraction form
    3,556.82/4,907.31 = 2,379.08/x
  3. Step 3: Cross multiply
    3,556.82x = 4,907.31 × 2,379.08
  4. Step 4: Simplify right side
    3,556.82x = 11,674,883.07
  5. Step 5: Solve for x
    x = 11,674,883.07/3,556.82
  6. Step 6: Final answer
    x = 3,282.39

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1.5x scale

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.