Home / 3,485.10-4,809.37-1,992.97

Finding the Fourth Proportional to 3,485.10, 4,809.37 and 1,992.97

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Solution

The fourth proportional to 3,485.10, 4,809.37 and 1,992.97 is: 2,750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.10 : 4,809.37 = 1,992.97 : x
  2. Step 2: Convert to fraction form
    3,485.10/4,809.37 = 1,992.97/x
  3. Step 3: Cross multiply
    3,485.10x = 4,809.37 × 1,992.97
  4. Step 4: Simplify right side
    3,485.10x = 9,584,930.13
  5. Step 5: Solve for x
    x = 9,584,930.13/3,485.10
  6. Step 6: Final answer
    x = 2,750.26

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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.