Home / 2,290.66-3,435.99-1,316.14

Finding the Fourth Proportional to 2,290.66, 3,435.99 and 1,316.14

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Solution

The fourth proportional to 2,290.66, 3,435.99 and 1,316.14 is: 1,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.66 : 3,435.99 = 1,316.14 : x
  2. Step 2: Convert to fraction form
    2,290.66/3,435.99 = 1,316.14/x
  3. Step 3: Cross multiply
    2,290.66x = 3,435.99 × 1,316.14
  4. Step 4: Simplify right side
    2,290.66x = 4,522,243.88
  5. Step 5: Solve for x
    x = 4,522,243.88/2,290.66
  6. Step 6: Final answer
    x = 1,974.21

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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.