Home / 3,556.85-4,909.42-2,065.23

Finding the Fourth Proportional to 3,556.85, 4,909.42 and 2,065.23

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Solution

The fourth proportional to 3,556.85, 4,909.42 and 2,065.23 is: 2,850.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.85 : 4,909.42 = 2,065.23 : x
  2. Step 2: Convert to fraction form
    3,556.85/4,909.42 = 2,065.23/x
  3. Step 3: Cross multiply
    3,556.85x = 4,909.42 × 2,065.23
  4. Step 4: Simplify right side
    3,556.85x = 10,139,081.47
  5. Step 5: Solve for x
    x = 10,139,081.47/3,556.85
  6. Step 6: Final answer
    x = 2,850.58

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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.