Home / 2,999.45-4,500.56-1,539.62

Finding the Fourth Proportional to 2,999.45, 4,500.56 and 1,539.62

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Solution

The fourth proportional to 2,999.45, 4,500.56 and 1,539.62 is: 2,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.45 : 4,500.56 = 1,539.62 : x
  2. Step 2: Convert to fraction form
    2,999.45/4,500.56 = 1,539.62/x
  3. Step 3: Cross multiply
    2,999.45x = 4,500.56 × 1,539.62
  4. Step 4: Simplify right side
    2,999.45x = 6,929,121.99
  5. Step 5: Solve for x
    x = 6,929,121.99/2,999.45
  6. Step 6: Final answer
    x = 2,310.13

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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.