Home / 1,467.15-2,190.03-1,282.65

Finding the Fourth Proportional to 1,467.15, 2,190.03 and 1,282.65

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Solution

The fourth proportional to 1,467.15, 2,190.03 and 1,282.65 is: 1,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.15 : 2,190.03 = 1,282.65 : x
  2. Step 2: Convert to fraction form
    1,467.15/2,190.03 = 1,282.65/x
  3. Step 3: Cross multiply
    1,467.15x = 2,190.03 × 1,282.65
  4. Step 4: Simplify right side
    1,467.15x = 2,809,041.98
  5. Step 5: Solve for x
    x = 2,809,041.98/1,467.15
  6. Step 6: Final answer
    x = 1,914.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.