Home / 2,008.96-3,013.44-1,319.99

Finding the Fourth Proportional to 2,008.96, 3,013.44 and 1,319.99

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Solution

The fourth proportional to 2,008.96, 3,013.44 and 1,319.99 is: 1,979.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.96 : 3,013.44 = 1,319.99 : x
  2. Step 2: Convert to fraction form
    2,008.96/3,013.44 = 1,319.99/x
  3. Step 3: Cross multiply
    2,008.96x = 3,013.44 × 1,319.99
  4. Step 4: Simplify right side
    2,008.96x = 3,977,690.65
  5. Step 5: Solve for x
    x = 3,977,690.65/2,008.96
  6. Step 6: Final answer
    x = 1,979.98

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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.