Home / 3,083.28-4,625.52-1,328.28

Finding the Fourth Proportional to 3,083.28, 4,625.52 and 1,328.28

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Solution

The fourth proportional to 3,083.28, 4,625.52 and 1,328.28 is: 1,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.28 : 4,625.52 = 1,328.28 : x
  2. Step 2: Convert to fraction form
    3,083.28/4,625.52 = 1,328.28/x
  3. Step 3: Cross multiply
    3,083.28x = 4,625.52 × 1,328.28
  4. Step 4: Simplify right side
    3,083.28x = 6,143,985.71
  5. Step 5: Solve for x
    x = 6,143,985.71/3,083.28
  6. Step 6: Final answer
    x = 1,992.68

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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.