Home / 1,449.54-2,172.94-1,316.96

Finding the Fourth Proportional to 1,449.54, 2,172.94 and 1,316.96

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Solution

The fourth proportional to 1,449.54, 2,172.94 and 1,316.96 is: 1,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449.54 : 2,172.94 = 1,316.96 : x
  2. Step 2: Convert to fraction form
    1,449.54/2,172.94 = 1,316.96/x
  3. Step 3: Cross multiply
    1,449.54x = 2,172.94 × 1,316.96
  4. Step 4: Simplify right side
    1,449.54x = 2,861,675.06
  5. Step 5: Solve for x
    x = 2,861,675.06/1,449.54
  6. Step 6: Final answer
    x = 1,974.20

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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.