Home / 2,798.90-4,194.39-2,211.32

Finding the Fourth Proportional to 2,798.90, 4,194.39 and 2,211.32

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Solution

The fourth proportional to 2,798.90, 4,194.39 and 2,211.32 is: 3,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.90 : 4,194.39 = 2,211.32 : x
  2. Step 2: Convert to fraction form
    2,798.90/4,194.39 = 2,211.32/x
  3. Step 3: Cross multiply
    2,798.90x = 4,194.39 × 2,211.32
  4. Step 4: Simplify right side
    2,798.90x = 9,275,117.52
  5. Step 5: Solve for x
    x = 9,275,117.52/2,798.90
  6. Step 6: Final answer
    x = 3,313.85

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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.