Home / 3,786.34-5,225.78-2,214.13

Finding the Fourth Proportional to 3,786.34, 5,225.78 and 2,214.13

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Solution

The fourth proportional to 3,786.34, 5,225.78 and 2,214.13 is: 3,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.34 : 5,225.78 = 2,214.13 : x
  2. Step 2: Convert to fraction form
    3,786.34/5,225.78 = 2,214.13/x
  3. Step 3: Cross multiply
    3,786.34x = 5,225.78 × 2,214.13
  4. Step 4: Simplify right side
    3,786.34x = 11,570,556.27
  5. Step 5: Solve for x
    x = 11,570,556.27/3,786.34
  6. Step 6: Final answer
    x = 3,055.87

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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.