Home / 3,848.68-5,308.16-2,786.60

Finding the Fourth Proportional to 3,848.68, 5,308.16 and 2,786.60

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Solution

The fourth proportional to 3,848.68, 5,308.16 and 2,786.60 is: 3,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.68 : 5,308.16 = 2,786.60 : x
  2. Step 2: Convert to fraction form
    3,848.68/5,308.16 = 2,786.60/x
  3. Step 3: Cross multiply
    3,848.68x = 5,308.16 × 2,786.60
  4. Step 4: Simplify right side
    3,848.68x = 14,791,717.99
  5. Step 5: Solve for x
    x = 14,791,717.99/3,848.68
  6. Step 6: Final answer
    x = 3,843.32

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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.