Home / 2,450.65-3,669.90-1,964.65

Finding the Fourth Proportional to 2,450.65, 3,669.90 and 1,964.65

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Solution

The fourth proportional to 2,450.65, 3,669.90 and 1,964.65 is: 2,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.65 : 3,669.90 = 1,964.65 : x
  2. Step 2: Convert to fraction form
    2,450.65/3,669.90 = 1,964.65/x
  3. Step 3: Cross multiply
    2,450.65x = 3,669.90 × 1,964.65
  4. Step 4: Simplify right side
    2,450.65x = 7,210,069.04
  5. Step 5: Solve for x
    x = 7,210,069.04/2,450.65
  6. Step 6: Final answer
    x = 2,942.10

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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.