Home / 1,044.08-1,440.24-938.37

Finding the Fourth Proportional to 1,044.08, 1,440.24 and 938.37

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Solution

The fourth proportional to 1,044.08, 1,440.24 and 938.37 is: 1,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.08 : 1,440.24 = 938.37 : x
  2. Step 2: Convert to fraction form
    1,044.08/1,440.24 = 938.37/x
  3. Step 3: Cross multiply
    1,044.08x = 1,440.24 × 938.37
  4. Step 4: Simplify right side
    1,044.08x = 1,351,478.01
  5. Step 5: Solve for x
    x = 1,351,478.01/1,044.08
  6. Step 6: Final answer
    x = 1,294.42

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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.