Home / 1,929.51-2,890.62-1,494.54

Finding the Fourth Proportional to 1,929.51, 2,890.62 and 1,494.54

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Solution

The fourth proportional to 1,929.51, 2,890.62 and 1,494.54 is: 2,238.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.51 : 2,890.62 = 1,494.54 : x
  2. Step 2: Convert to fraction form
    1,929.51/2,890.62 = 1,494.54/x
  3. Step 3: Cross multiply
    1,929.51x = 2,890.62 × 1,494.54
  4. Step 4: Simplify right side
    1,929.51x = 4,320,147.21
  5. Step 5: Solve for x
    x = 4,320,147.21/1,929.51
  6. Step 6: Final answer
    x = 2,238.99

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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.