Home / 3,485.77-5,228.25-1,293.91

Finding the Fourth Proportional to 3,485.77, 5,228.25 and 1,293.91

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Solution

The fourth proportional to 3,485.77, 5,228.25 and 1,293.91 is: 1,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.77 : 5,228.25 = 1,293.91 : x
  2. Step 2: Convert to fraction form
    3,485.77/5,228.25 = 1,293.91/x
  3. Step 3: Cross multiply
    3,485.77x = 5,228.25 × 1,293.91
  4. Step 4: Simplify right side
    3,485.77x = 6,764,867.03
  5. Step 5: Solve for x
    x = 6,764,867.03/3,485.77
  6. Step 6: Final answer
    x = 1,940.71

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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.