Home / 3,808.20-5,258.04-2,969.84

Finding the Fourth Proportional to 3,808.20, 5,258.04 and 2,969.84

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Solution

The fourth proportional to 3,808.20, 5,258.04 and 2,969.84 is: 4,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.20 : 5,258.04 = 2,969.84 : x
  2. Step 2: Convert to fraction form
    3,808.20/5,258.04 = 2,969.84/x
  3. Step 3: Cross multiply
    3,808.20x = 5,258.04 × 2,969.84
  4. Step 4: Simplify right side
    3,808.20x = 15,615,537.51
  5. Step 5: Solve for x
    x = 15,615,537.51/3,808.20
  6. Step 6: Final answer
    x = 4,100.50

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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.