Home / 1,926.54-2,889.92-610.34

Finding the Fourth Proportional to 1,926.54, 2,889.92 and 610.34

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Solution

The fourth proportional to 1,926.54, 2,889.92 and 610.34 is: 915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.54 : 2,889.92 = 610.34 : x
  2. Step 2: Convert to fraction form
    1,926.54/2,889.92 = 610.34/x
  3. Step 3: Cross multiply
    1,926.54x = 2,889.92 × 610.34
  4. Step 4: Simplify right side
    1,926.54x = 1,763,816.27
  5. Step 5: Solve for x
    x = 1,763,816.27/1,926.54
  6. Step 6: Final answer
    x = 915.54

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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.