Home / 3,477.62-4,799.40-1,905.86

Finding the Fourth Proportional to 3,477.62, 4,799.40 and 1,905.86

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Solution

The fourth proportional to 3,477.62, 4,799.40 and 1,905.86 is: 2,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.62 : 4,799.40 = 1,905.86 : x
  2. Step 2: Convert to fraction form
    3,477.62/4,799.40 = 1,905.86/x
  3. Step 3: Cross multiply
    3,477.62x = 4,799.40 × 1,905.86
  4. Step 4: Simplify right side
    3,477.62x = 9,146,984.48
  5. Step 5: Solve for x
    x = 9,146,984.48/3,477.62
  6. Step 6: Final answer
    x = 2,630.24

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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.