Home / 3,396.05-4,686.50-1,903.96

Finding the Fourth Proportional to 3,396.05, 4,686.50 and 1,903.96

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Solution

The fourth proportional to 3,396.05, 4,686.50 and 1,903.96 is: 2,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.05 : 4,686.50 = 1,903.96 : x
  2. Step 2: Convert to fraction form
    3,396.05/4,686.50 = 1,903.96/x
  3. Step 3: Cross multiply
    3,396.05x = 4,686.50 × 1,903.96
  4. Step 4: Simplify right side
    3,396.05x = 8,922,908.54
  5. Step 5: Solve for x
    x = 8,922,908.54/3,396.05
  6. Step 6: Final answer
    x = 2,627.44

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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.