Home / 3,485.03-4,808.99-1,992.63

Finding the Fourth Proportional to 3,485.03, 4,808.99 and 1,992.63

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Solution

The fourth proportional to 3,485.03, 4,808.99 and 1,992.63 is: 2,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.03 : 4,808.99 = 1,992.63 : x
  2. Step 2: Convert to fraction form
    3,485.03/4,808.99 = 1,992.63/x
  3. Step 3: Cross multiply
    3,485.03x = 4,808.99 × 1,992.63
  4. Step 4: Simplify right side
    3,485.03x = 9,582,527.78
  5. Step 5: Solve for x
    x = 9,582,527.78/3,485.03
  6. Step 6: Final answer
    x = 2,749.63

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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.