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Finding the Fourth Proportional to 1,348, 1,860.24 and 796

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Solution

The fourth proportional to 1,348, 1,860.24 and 796 is: 1,098.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348 : 1,860.24 = 796 : x
  2. Step 2: Convert to fraction form
    1,348/1,860.24 = 796/x
  3. Step 3: Cross multiply
    1,348x = 1,860.24 × 796
  4. Step 4: Simplify right side
    1,348x = 1,480,751.04
  5. Step 5: Solve for x
    x = 1,480,751.04/1,348
  6. Step 6: Final answer
    x = 1,098.48

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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.