Home / 2,940.22-4,406.91-1,089.91

Finding the Fourth Proportional to 2,940.22, 4,406.91 and 1,089.91

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Solution

The fourth proportional to 2,940.22, 4,406.91 and 1,089.91 is: 1,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.22 : 4,406.91 = 1,089.91 : x
  2. Step 2: Convert to fraction form
    2,940.22/4,406.91 = 1,089.91/x
  3. Step 3: Cross multiply
    2,940.22x = 4,406.91 × 1,089.91
  4. Step 4: Simplify right side
    2,940.22x = 4,803,135.28
  5. Step 5: Solve for x
    x = 4,803,135.28/2,940.22
  6. Step 6: Final answer
    x = 1,633.60

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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.