Home / 2,904.68-4,361.44-1,815.90

Finding the Fourth Proportional to 2,904.68, 4,361.44 and 1,815.90

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Solution

The fourth proportional to 2,904.68, 4,361.44 and 1,815.90 is: 2,726.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.68 : 4,361.44 = 1,815.90 : x
  2. Step 2: Convert to fraction form
    2,904.68/4,361.44 = 1,815.90/x
  3. Step 3: Cross multiply
    2,904.68x = 4,361.44 × 1,815.90
  4. Step 4: Simplify right side
    2,904.68x = 7,919,938.90
  5. Step 5: Solve for x
    x = 7,919,938.90/2,904.68
  6. Step 6: Final answer
    x = 2,726.61

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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.