Home / 2,964.99-4,091.66-1,638.67

Finding the Fourth Proportional to 2,964.99, 4,091.66 and 1,638.67

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Solution

The fourth proportional to 2,964.99, 4,091.66 and 1,638.67 is: 2,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.99 : 4,091.66 = 1,638.67 : x
  2. Step 2: Convert to fraction form
    2,964.99/4,091.66 = 1,638.67/x
  3. Step 3: Cross multiply
    2,964.99x = 4,091.66 × 1,638.67
  4. Step 4: Simplify right side
    2,964.99x = 6,704,879.35
  5. Step 5: Solve for x
    x = 6,704,879.35/2,964.99
  6. Step 6: Final answer
    x = 2,261.35

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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.