Home / 3,185.10-4,395.80-3,083.04

Finding the Fourth Proportional to 3,185.10, 4,395.80 and 3,083.04

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Solution

The fourth proportional to 3,185.10, 4,395.80 and 3,083.04 is: 4,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.10 : 4,395.80 = 3,083.04 : x
  2. Step 2: Convert to fraction form
    3,185.10/4,395.80 = 3,083.04/x
  3. Step 3: Cross multiply
    3,185.10x = 4,395.80 × 3,083.04
  4. Step 4: Simplify right side
    3,185.10x = 13,552,434.94
  5. Step 5: Solve for x
    x = 13,552,434.94/3,185.10
  6. Step 6: Final answer
    x = 4,254.95

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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.