Home / 3,083.40-4,249.08-2,150.28

Finding the Fourth Proportional to 3,083.40, 4,249.08 and 2,150.28

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Solution

The fourth proportional to 3,083.40, 4,249.08 and 2,150.28 is: 2,963.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.40 : 4,249.08 = 2,150.28 : x
  2. Step 2: Convert to fraction form
    3,083.40/4,249.08 = 2,150.28/x
  3. Step 3: Cross multiply
    3,083.40x = 4,249.08 × 2,150.28
  4. Step 4: Simplify right side
    3,083.40x = 9,136,711.74
  5. Step 5: Solve for x
    x = 9,136,711.74/3,083.40
  6. Step 6: Final answer
    x = 2,963.19

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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.