Home / 1,974.21-2,956.81-1,693.41

Finding the Fourth Proportional to 1,974.21, 2,956.81 and 1,693.41

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Solution

The fourth proportional to 1,974.21, 2,956.81 and 1,693.41 is: 2,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.21 : 2,956.81 = 1,693.41 : x
  2. Step 2: Convert to fraction form
    1,974.21/2,956.81 = 1,693.41/x
  3. Step 3: Cross multiply
    1,974.21x = 2,956.81 × 1,693.41
  4. Step 4: Simplify right side
    1,974.21x = 5,007,091.62
  5. Step 5: Solve for x
    x = 5,007,091.62/1,974.21
  6. Step 6: Final answer
    x = 2,536.25

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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.