Home / 2,880.90-3,976.56-1,884.60

Finding the Fourth Proportional to 2,880.90, 3,976.56 and 1,884.60

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Solution

The fourth proportional to 2,880.90, 3,976.56 and 1,884.60 is: 2,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.90 : 3,976.56 = 1,884.60 : x
  2. Step 2: Convert to fraction form
    2,880.90/3,976.56 = 1,884.60/x
  3. Step 3: Cross multiply
    2,880.90x = 3,976.56 × 1,884.60
  4. Step 4: Simplify right side
    2,880.90x = 7,494,224.98
  5. Step 5: Solve for x
    x = 7,494,224.98/2,880.90
  6. Step 6: Final answer
    x = 2,601.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.