Home / 3,979.40-5,964.30-2,030.60

Finding the Fourth Proportional to 3,979.40, 5,964.30 and 2,030.60

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Solution

The fourth proportional to 3,979.40, 5,964.30 and 2,030.60 is: 3,043.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.40 : 5,964.30 = 2,030.60 : x
  2. Step 2: Convert to fraction form
    3,979.40/5,964.30 = 2,030.60/x
  3. Step 3: Cross multiply
    3,979.40x = 5,964.30 × 2,030.60
  4. Step 4: Simplify right side
    3,979.40x = 12,111,107.58
  5. Step 5: Solve for x
    x = 12,111,107.58/3,979.40
  6. Step 6: Final answer
    x = 3,043.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.