Home / 2,786.37-3,845.26-1,607.50

Finding the Fourth Proportional to 2,786.37, 3,845.26 and 1,607.50

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Solution

The fourth proportional to 2,786.37, 3,845.26 and 1,607.50 is: 2,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.37 : 3,845.26 = 1,607.50 : x
  2. Step 2: Convert to fraction form
    2,786.37/3,845.26 = 1,607.50/x
  3. Step 3: Cross multiply
    2,786.37x = 3,845.26 × 1,607.50
  4. Step 4: Simplify right side
    2,786.37x = 6,181,255.45
  5. Step 5: Solve for x
    x = 6,181,255.45/2,786.37
  6. Step 6: Final answer
    x = 2,218.39

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1.5x scale

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.