Home / 3,857.94-5,324.00-2,089.58

Finding the Fourth Proportional to 3,857.94, 5,324.00 and 2,089.58

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Solution

The fourth proportional to 3,857.94, 5,324.00 and 2,089.58 is: 2,883.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.94 : 5,324.00 = 2,089.58 : x
  2. Step 2: Convert to fraction form
    3,857.94/5,324.00 = 2,089.58/x
  3. Step 3: Cross multiply
    3,857.94x = 5,324.00 × 2,089.58
  4. Step 4: Simplify right side
    3,857.94x = 11,124,943.67
  5. Step 5: Solve for x
    x = 11,124,943.67/3,857.94
  6. Step 6: Final answer
    x = 2,883.65

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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.