Home / 3,685.36-5,081.97-2,846.20

Finding the Fourth Proportional to 3,685.36, 5,081.97 and 2,846.20

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Solution

The fourth proportional to 3,685.36, 5,081.97 and 2,846.20 is: 3,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.36 : 5,081.97 = 2,846.20 : x
  2. Step 2: Convert to fraction form
    3,685.36/5,081.97 = 2,846.20/x
  3. Step 3: Cross multiply
    3,685.36x = 5,081.97 × 2,846.20
  4. Step 4: Simplify right side
    3,685.36x = 14,464,277.60
  5. Step 5: Solve for x
    x = 14,464,277.60/3,685.36
  6. Step 6: Final answer
    x = 3,924.80

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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.