Home / 2,588.83-3,878.45-2,001.75

Finding the Fourth Proportional to 2,588.83, 3,878.45 and 2,001.75

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Solution

The fourth proportional to 2,588.83, 3,878.45 and 2,001.75 is: 2,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.83 : 3,878.45 = 2,001.75 : x
  2. Step 2: Convert to fraction form
    2,588.83/3,878.45 = 2,001.75/x
  3. Step 3: Cross multiply
    2,588.83x = 3,878.45 × 2,001.75
  4. Step 4: Simplify right side
    2,588.83x = 7,763,670.24
  5. Step 5: Solve for x
    x = 7,763,670.24/2,588.83
  6. Step 6: Final answer
    x = 2,998.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.