Home / 4,083.64-5,634.66-2,315.80

Finding the Fourth Proportional to 4,083.64, 5,634.66 and 2,315.80

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Solution

The fourth proportional to 4,083.64, 5,634.66 and 2,315.80 is: 3,195.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.64 : 5,634.66 = 2,315.80 : x
  2. Step 2: Convert to fraction form
    4,083.64/5,634.66 = 2,315.80/x
  3. Step 3: Cross multiply
    4,083.64x = 5,634.66 × 2,315.80
  4. Step 4: Simplify right side
    4,083.64x = 13,048,745.63
  5. Step 5: Solve for x
    x = 13,048,745.63/4,083.64
  6. Step 6: Final answer
    x = 3,195.37

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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.