Home / 3,512.14-4,839.26-2,880.54

Finding the Fourth Proportional to 3,512.14, 4,839.26 and 2,880.54

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Solution

The fourth proportional to 3,512.14, 4,839.26 and 2,880.54 is: 3,969.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.14 : 4,839.26 = 2,880.54 : x
  2. Step 2: Convert to fraction form
    3,512.14/4,839.26 = 2,880.54/x
  3. Step 3: Cross multiply
    3,512.14x = 4,839.26 × 2,880.54
  4. Step 4: Simplify right side
    3,512.14x = 13,939,682.00
  5. Step 5: Solve for x
    x = 13,939,682.00/3,512.14
  6. Step 6: Final answer
    x = 3,969.00

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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.