Home / 3,110.29-4,663.97-1,260

Finding the Fourth Proportional to 3,110.29, 4,663.97 and 1,260

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Solution

The fourth proportional to 3,110.29, 4,663.97 and 1,260 is: 1,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.29 : 4,663.97 = 1,260 : x
  2. Step 2: Convert to fraction form
    3,110.29/4,663.97 = 1,260/x
  3. Step 3: Cross multiply
    3,110.29x = 4,663.97 × 1,260
  4. Step 4: Simplify right side
    3,110.29x = 5,876,602.20
  5. Step 5: Solve for x
    x = 5,876,602.20/3,110.29
  6. Step 6: Final answer
    x = 1,889.41

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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.