Home / 3,449.14-5,173.74-983.97

Finding the Fourth Proportional to 3,449.14, 5,173.74 and 983.97

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Solution

The fourth proportional to 3,449.14, 5,173.74 and 983.97 is: 1,475.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.14 : 5,173.74 = 983.97 : x
  2. Step 2: Convert to fraction form
    3,449.14/5,173.74 = 983.97/x
  3. Step 3: Cross multiply
    3,449.14x = 5,173.74 × 983.97
  4. Step 4: Simplify right side
    3,449.14x = 5,090,804.95
  5. Step 5: Solve for x
    x = 5,090,804.95/3,449.14
  6. Step 6: Final answer
    x = 1,475.96

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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.