Home / 3,883.26-5,356.13-2,389.22

Finding the Fourth Proportional to 3,883.26, 5,356.13 and 2,389.22

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Solution

The fourth proportional to 3,883.26, 5,356.13 and 2,389.22 is: 3,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.26 : 5,356.13 = 2,389.22 : x
  2. Step 2: Convert to fraction form
    3,883.26/5,356.13 = 2,389.22/x
  3. Step 3: Cross multiply
    3,883.26x = 5,356.13 × 2,389.22
  4. Step 4: Simplify right side
    3,883.26x = 12,796,934.19
  5. Step 5: Solve for x
    x = 12,796,934.19/3,883.26
  6. Step 6: Final answer
    x = 3,295.41

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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.