Home / 3,485.45-5,227.72-1,293.89

Finding the Fourth Proportional to 3,485.45, 5,227.72 and 1,293.89

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Solution

The fourth proportional to 3,485.45, 5,227.72 and 1,293.89 is: 1,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.45 : 5,227.72 = 1,293.89 : x
  2. Step 2: Convert to fraction form
    3,485.45/5,227.72 = 1,293.89/x
  3. Step 3: Cross multiply
    3,485.45x = 5,227.72 × 1,293.89
  4. Step 4: Simplify right side
    3,485.45x = 6,764,065.26
  5. Step 5: Solve for x
    x = 6,764,065.26/3,485.45
  6. Step 6: Final answer
    x = 1,940.66

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1.5x scale

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.