Home / 2,894.11-3,993.80-1,635.30

Finding the Fourth Proportional to 2,894.11, 3,993.80 and 1,635.30

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Solution

The fourth proportional to 2,894.11, 3,993.80 and 1,635.30 is: 2,256.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.11 : 3,993.80 = 1,635.30 : x
  2. Step 2: Convert to fraction form
    2,894.11/3,993.80 = 1,635.30/x
  3. Step 3: Cross multiply
    2,894.11x = 3,993.80 × 1,635.30
  4. Step 4: Simplify right side
    2,894.11x = 6,531,044.12
  5. Step 5: Solve for x
    x = 6,531,044.12/2,894.11
  6. Step 6: Final answer
    x = 2,256.67

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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.