Home / 3,477.76-4,799.46-1,905.82

Finding the Fourth Proportional to 3,477.76, 4,799.46 and 1,905.82

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Solution

The fourth proportional to 3,477.76, 4,799.46 and 1,905.82 is: 2,630.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.76 : 4,799.46 = 1,905.82 : x
  2. Step 2: Convert to fraction form
    3,477.76/4,799.46 = 1,905.82/x
  3. Step 3: Cross multiply
    3,477.76x = 4,799.46 × 1,905.82
  4. Step 4: Simplify right side
    3,477.76x = 9,146,906.86
  5. Step 5: Solve for x
    x = 9,146,906.86/3,477.76
  6. Step 6: Final answer
    x = 2,630.11

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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.