Home / 2,091.33-2,887.09-1,618.16

Finding the Fourth Proportional to 2,091.33, 2,887.09 and 1,618.16

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Solution

The fourth proportional to 2,091.33, 2,887.09 and 1,618.16 is: 2,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.33 : 2,887.09 = 1,618.16 : x
  2. Step 2: Convert to fraction form
    2,091.33/2,887.09 = 1,618.16/x
  3. Step 3: Cross multiply
    2,091.33x = 2,887.09 × 1,618.16
  4. Step 4: Simplify right side
    2,091.33x = 4,671,755.07
  5. Step 5: Solve for x
    x = 4,671,755.07/2,091.33
  6. Step 6: Final answer
    x = 2,233.87

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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.