Home / 3,486.48-5,206.83-2,794.20

Finding the Fourth Proportional to 3,486.48, 5,206.83 and 2,794.20

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Solution

The fourth proportional to 3,486.48, 5,206.83 and 2,794.20 is: 4,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.48 : 5,206.83 = 2,794.20 : x
  2. Step 2: Convert to fraction form
    3,486.48/5,206.83 = 2,794.20/x
  3. Step 3: Cross multiply
    3,486.48x = 5,206.83 × 2,794.20
  4. Step 4: Simplify right side
    3,486.48x = 14,548,924.39
  5. Step 5: Solve for x
    x = 14,548,924.39/3,486.48
  6. Step 6: Final answer
    x = 4,172.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.