Home / 2,146.08-3,218.80-848.44

Finding the Fourth Proportional to 2,146.08, 3,218.80 and 848.44

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Solution

The fourth proportional to 2,146.08, 3,218.80 and 848.44 is: 1,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.08 : 3,218.80 = 848.44 : x
  2. Step 2: Convert to fraction form
    2,146.08/3,218.80 = 848.44/x
  3. Step 3: Cross multiply
    2,146.08x = 3,218.80 × 848.44
  4. Step 4: Simplify right side
    2,146.08x = 2,730,958.67
  5. Step 5: Solve for x
    x = 2,730,958.67/2,146.08
  6. Step 6: Final answer
    x = 1,272.53

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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.