Home / 2,999.80-4,500.44-1,515.36

Finding the Fourth Proportional to 2,999.80, 4,500.44 and 1,515.36

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Solution

The fourth proportional to 2,999.80, 4,500.44 and 1,515.36 is: 2,273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.80 : 4,500.44 = 1,515.36 : x
  2. Step 2: Convert to fraction form
    2,999.80/4,500.44 = 1,515.36/x
  3. Step 3: Cross multiply
    2,999.80x = 4,500.44 × 1,515.36
  4. Step 4: Simplify right side
    2,999.80x = 6,819,786.76
  5. Step 5: Solve for x
    x = 6,819,786.76/2,999.80
  6. Step 6: Final answer
    x = 2,273.41

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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.