Home / 1,579.82-2,367.75-1,215.98

Finding the Fourth Proportional to 1,579.82, 2,367.75 and 1,215.98

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Solution

The fourth proportional to 1,579.82, 2,367.75 and 1,215.98 is: 1,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.82 : 2,367.75 = 1,215.98 : x
  2. Step 2: Convert to fraction form
    1,579.82/2,367.75 = 1,215.98/x
  3. Step 3: Cross multiply
    1,579.82x = 2,367.75 × 1,215.98
  4. Step 4: Simplify right side
    1,579.82x = 2,879,136.65
  5. Step 5: Solve for x
    x = 2,879,136.65/1,579.82
  6. Step 6: Final answer
    x = 1,822.45

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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.