Home / 3,485.41-4,810.75-1,993.79

Finding the Fourth Proportional to 3,485.41, 4,810.75 and 1,993.79

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Solution

The fourth proportional to 3,485.41, 4,810.75 and 1,993.79 is: 2,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.41 : 4,810.75 = 1,993.79 : x
  2. Step 2: Convert to fraction form
    3,485.41/4,810.75 = 1,993.79/x
  3. Step 3: Cross multiply
    3,485.41x = 4,810.75 × 1,993.79
  4. Step 4: Simplify right side
    3,485.41x = 9,591,637.89
  5. Step 5: Solve for x
    x = 9,591,637.89/3,485.41
  6. Step 6: Final answer
    x = 2,751.94

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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.