Home / 2,001.65-3,002.07-1,125.03

Finding the Fourth Proportional to 2,001.65, 3,002.07 and 1,125.03

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Solution

The fourth proportional to 2,001.65, 3,002.07 and 1,125.03 is: 1,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.65 : 3,002.07 = 1,125.03 : x
  2. Step 2: Convert to fraction form
    2,001.65/3,002.07 = 1,125.03/x
  3. Step 3: Cross multiply
    2,001.65x = 3,002.07 × 1,125.03
  4. Step 4: Simplify right side
    2,001.65x = 3,377,418.81
  5. Step 5: Solve for x
    x = 3,377,418.81/2,001.65
  6. Step 6: Final answer
    x = 1,687.32

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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.