Home / 2,999.03-4,137.95-1,819.88

Finding the Fourth Proportional to 2,999.03, 4,137.95 and 1,819.88

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Solution

The fourth proportional to 2,999.03, 4,137.95 and 1,819.88 is: 2,511.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.03 : 4,137.95 = 1,819.88 : x
  2. Step 2: Convert to fraction form
    2,999.03/4,137.95 = 1,819.88/x
  3. Step 3: Cross multiply
    2,999.03x = 4,137.95 × 1,819.88
  4. Step 4: Simplify right side
    2,999.03x = 7,530,563.35
  5. Step 5: Solve for x
    x = 7,530,563.35/2,999.03
  6. Step 6: Final answer
    x = 2,511.00

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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.