Home / 3,449.09-5,172.08-983.34

Finding the Fourth Proportional to 3,449.09, 5,172.08 and 983.34

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Solution

The fourth proportional to 3,449.09, 5,172.08 and 983.34 is: 1,474.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.09 : 5,172.08 = 983.34 : x
  2. Step 2: Convert to fraction form
    3,449.09/5,172.08 = 983.34/x
  3. Step 3: Cross multiply
    3,449.09x = 5,172.08 × 983.34
  4. Step 4: Simplify right side
    3,449.09x = 5,085,908.23
  5. Step 5: Solve for x
    x = 5,085,908.23/3,449.09
  6. Step 6: Final answer
    x = 1,474.56

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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.