Home / 3,236.09-4,455.57-2,940.47

Finding the Fourth Proportional to 3,236.09, 4,455.57 and 2,940.47

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Solution

The fourth proportional to 3,236.09, 4,455.57 and 2,940.47 is: 4,048.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.09 : 4,455.57 = 2,940.47 : x
  2. Step 2: Convert to fraction form
    3,236.09/4,455.57 = 2,940.47/x
  3. Step 3: Cross multiply
    3,236.09x = 4,455.57 × 2,940.47
  4. Step 4: Simplify right side
    3,236.09x = 13,101,458.84
  5. Step 5: Solve for x
    x = 13,101,458.84/3,236.09
  6. Step 6: Final answer
    x = 4,048.55

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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.