Home / 3,080-4,619.96-1,435.62

Finding the Fourth Proportional to 3,080, 4,619.96 and 1,435.62

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Solution

The fourth proportional to 3,080, 4,619.96 and 1,435.62 is: 2,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080 : 4,619.96 = 1,435.62 : x
  2. Step 2: Convert to fraction form
    3,080/4,619.96 = 1,435.62/x
  3. Step 3: Cross multiply
    3,080x = 4,619.96 × 1,435.62
  4. Step 4: Simplify right side
    3,080x = 6,632,506.98
  5. Step 5: Solve for x
    x = 6,632,506.98/3,080
  6. Step 6: Final answer
    x = 2,153.41

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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.