Home / 4,083.99-5,635.89-2,405.39

Finding the Fourth Proportional to 4,083.99, 5,635.89 and 2,405.39

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Solution

The fourth proportional to 4,083.99, 5,635.89 and 2,405.39 is: 3,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.99 : 5,635.89 = 2,405.39 : x
  2. Step 2: Convert to fraction form
    4,083.99/5,635.89 = 2,405.39/x
  3. Step 3: Cross multiply
    4,083.99x = 5,635.89 × 2,405.39
  4. Step 4: Simplify right side
    4,083.99x = 13,556,485.27
  5. Step 5: Solve for x
    x = 13,556,485.27/4,083.99
  6. Step 6: Final answer
    x = 3,319.42

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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.