Home / 3,083.45-4,625.17-1,328.31

Finding the Fourth Proportional to 3,083.45, 4,625.17 and 1,328.31

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Solution

The fourth proportional to 3,083.45, 4,625.17 and 1,328.31 is: 1,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.45 : 4,625.17 = 1,328.31 : x
  2. Step 2: Convert to fraction form
    3,083.45/4,625.17 = 1,328.31/x
  3. Step 3: Cross multiply
    3,083.45x = 4,625.17 × 1,328.31
  4. Step 4: Simplify right side
    3,083.45x = 6,143,656.24
  5. Step 5: Solve for x
    x = 6,143,656.24/3,083.45
  6. Step 6: Final answer
    x = 1,992.47

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1.5x scale

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.