Home / 2,083.05-2,872.67-1,587.33

Finding the Fourth Proportional to 2,083.05, 2,872.67 and 1,587.33

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Solution

The fourth proportional to 2,083.05, 2,872.67 and 1,587.33 is: 2,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.05 : 2,872.67 = 1,587.33 : x
  2. Step 2: Convert to fraction form
    2,083.05/2,872.67 = 1,587.33/x
  3. Step 3: Cross multiply
    2,083.05x = 2,872.67 × 1,587.33
  4. Step 4: Simplify right side
    2,083.05x = 4,559,867.33
  5. Step 5: Solve for x
    x = 4,559,867.33/2,083.05
  6. Step 6: Final answer
    x = 2,189.03

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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.