Home / 3,786.12-5,225.76-2,214.36

Finding the Fourth Proportional to 3,786.12, 5,225.76 and 2,214.36

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Solution

The fourth proportional to 3,786.12, 5,225.76 and 2,214.36 is: 3,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.12 : 5,225.76 = 2,214.36 : x
  2. Step 2: Convert to fraction form
    3,786.12/5,225.76 = 2,214.36/x
  3. Step 3: Cross multiply
    3,786.12x = 5,225.76 × 2,214.36
  4. Step 4: Simplify right side
    3,786.12x = 11,571,713.91
  5. Step 5: Solve for x
    x = 11,571,713.91/3,786.12
  6. Step 6: Final answer
    x = 3,056.35

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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.