Home / 2,678.25-4,015.05-1,035.99

Finding the Fourth Proportional to 2,678.25, 4,015.05 and 1,035.99

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Solution

The fourth proportional to 2,678.25, 4,015.05 and 1,035.99 is: 1,553.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678.25 : 4,015.05 = 1,035.99 : x
  2. Step 2: Convert to fraction form
    2,678.25/4,015.05 = 1,035.99/x
  3. Step 3: Cross multiply
    2,678.25x = 4,015.05 × 1,035.99
  4. Step 4: Simplify right side
    2,678.25x = 4,159,551.65
  5. Step 5: Solve for x
    x = 4,159,551.65/2,678.25
  6. Step 6: Final answer
    x = 1,553.09

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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.