Home / 1,789.07-2,468.91-1,003.12

Finding the Fourth Proportional to 1,789.07, 2,468.91 and 1,003.12

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Solution

The fourth proportional to 1,789.07, 2,468.91 and 1,003.12 is: 1,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.07 : 2,468.91 = 1,003.12 : x
  2. Step 2: Convert to fraction form
    1,789.07/2,468.91 = 1,003.12/x
  3. Step 3: Cross multiply
    1,789.07x = 2,468.91 × 1,003.12
  4. Step 4: Simplify right side
    1,789.07x = 2,476,600.65
  5. Step 5: Solve for x
    x = 2,476,600.65/1,789.07
  6. Step 6: Final answer
    x = 1,384.29

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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.