Home / 2,001.29-3,003.44-1,389.24

Finding the Fourth Proportional to 2,001.29, 3,003.44 and 1,389.24

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Solution

The fourth proportional to 2,001.29, 3,003.44 and 1,389.24 is: 2,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.29 : 3,003.44 = 1,389.24 : x
  2. Step 2: Convert to fraction form
    2,001.29/3,003.44 = 1,389.24/x
  3. Step 3: Cross multiply
    2,001.29x = 3,003.44 × 1,389.24
  4. Step 4: Simplify right side
    2,001.29x = 4,172,492.04
  5. Step 5: Solve for x
    x = 4,172,492.04/2,001.29
  6. Step 6: Final answer
    x = 2,084.91

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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.