Home / 3,080.33-4,622.32-1,619.60

Finding the Fourth Proportional to 3,080.33, 4,622.32 and 1,619.60

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Solution

The fourth proportional to 3,080.33, 4,622.32 and 1,619.60 is: 2,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.33 : 4,622.32 = 1,619.60 : x
  2. Step 2: Convert to fraction form
    3,080.33/4,622.32 = 1,619.60/x
  3. Step 3: Cross multiply
    3,080.33x = 4,622.32 × 1,619.60
  4. Step 4: Simplify right side
    3,080.33x = 7,486,279.27
  5. Step 5: Solve for x
    x = 7,486,279.27/3,080.33
  6. Step 6: Final answer
    x = 2,430.35

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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.