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Finding the Fourth Proportional to 1,822.37, 2,734.46 and 848.34

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Solution

The fourth proportional to 1,822.37, 2,734.46 and 848.34 is: 1,272.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.37 : 2,734.46 = 848.34 : x
  2. Step 2: Convert to fraction form
    1,822.37/2,734.46 = 848.34/x
  3. Step 3: Cross multiply
    1,822.37x = 2,734.46 × 848.34
  4. Step 4: Simplify right side
    1,822.37x = 2,319,750.74
  5. Step 5: Solve for x
    x = 2,319,750.74/1,822.37
  6. Step 6: Final answer
    x = 1,272.93

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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.