Home / 2,845.99-4,272.63-2,415.88

Finding the Fourth Proportional to 2,845.99, 4,272.63 and 2,415.88

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Solution

The fourth proportional to 2,845.99, 4,272.63 and 2,415.88 is: 3,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.99 : 4,272.63 = 2,415.88 : x
  2. Step 2: Convert to fraction form
    2,845.99/4,272.63 = 2,415.88/x
  3. Step 3: Cross multiply
    2,845.99x = 4,272.63 × 2,415.88
  4. Step 4: Simplify right side
    2,845.99x = 10,322,161.36
  5. Step 5: Solve for x
    x = 10,322,161.36/2,845.99
  6. Step 6: Final answer
    x = 3,626.91

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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.