Home / 2,309.65-3,467.55-1,965.20

Finding the Fourth Proportional to 2,309.65, 3,467.55 and 1,965.20

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Solution

The fourth proportional to 2,309.65, 3,467.55 and 1,965.20 is: 2,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.65 : 3,467.55 = 1,965.20 : x
  2. Step 2: Convert to fraction form
    2,309.65/3,467.55 = 1,965.20/x
  3. Step 3: Cross multiply
    2,309.65x = 3,467.55 × 1,965.20
  4. Step 4: Simplify right side
    2,309.65x = 6,814,429.26
  5. Step 5: Solve for x
    x = 6,814,429.26/2,309.65
  6. Step 6: Final answer
    x = 2,950.42

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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.