Home / 2,880.26-3,971.12-1,883.96

Finding the Fourth Proportional to 2,880.26, 3,971.12 and 1,883.96

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Solution

The fourth proportional to 2,880.26, 3,971.12 and 1,883.96 is: 2,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.26 : 3,971.12 = 1,883.96 : x
  2. Step 2: Convert to fraction form
    2,880.26/3,971.12 = 1,883.96/x
  3. Step 3: Cross multiply
    2,880.26x = 3,971.12 × 1,883.96
  4. Step 4: Simplify right side
    2,880.26x = 7,481,431.24
  5. Step 5: Solve for x
    x = 7,481,431.24/2,880.26
  6. Step 6: Final answer
    x = 2,597.48

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1.5x scale

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.