Home / 3,509.64-4,843.86-2,668.99

Finding the Fourth Proportional to 3,509.64, 4,843.86 and 2,668.99

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Solution

The fourth proportional to 3,509.64, 4,843.86 and 2,668.99 is: 3,683.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.64 : 4,843.86 = 2,668.99 : x
  2. Step 2: Convert to fraction form
    3,509.64/4,843.86 = 2,668.99/x
  3. Step 3: Cross multiply
    3,509.64x = 4,843.86 × 2,668.99
  4. Step 4: Simplify right side
    3,509.64x = 12,928,213.90
  5. Step 5: Solve for x
    x = 12,928,213.90/3,509.64
  6. Step 6: Final answer
    x = 3,683.63

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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.