Home / 1,979-2,964.04-1,485.96

Finding the Fourth Proportional to 1,979, 2,964.04 and 1,485.96

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Solution

The fourth proportional to 1,979, 2,964.04 and 1,485.96 is: 2,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979 : 2,964.04 = 1,485.96 : x
  2. Step 2: Convert to fraction form
    1,979/2,964.04 = 1,485.96/x
  3. Step 3: Cross multiply
    1,979x = 2,964.04 × 1,485.96
  4. Step 4: Simplify right side
    1,979x = 4,404,444.88
  5. Step 5: Solve for x
    x = 4,404,444.88/1,979
  6. Step 6: Final answer
    x = 2,225.59

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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.