Home / 3,883.77-5,360.09-2,205.72

Finding the Fourth Proportional to 3,883.77, 5,360.09 and 2,205.72

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Solution

The fourth proportional to 3,883.77, 5,360.09 and 2,205.72 is: 3,044.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.77 : 5,360.09 = 2,205.72 : x
  2. Step 2: Convert to fraction form
    3,883.77/5,360.09 = 2,205.72/x
  3. Step 3: Cross multiply
    3,883.77x = 5,360.09 × 2,205.72
  4. Step 4: Simplify right side
    3,883.77x = 11,822,857.71
  5. Step 5: Solve for x
    x = 11,822,857.71/3,883.77
  6. Step 6: Final answer
    x = 3,044.17

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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.