Home / 2,292.81-3,164.06-1,298.09

Finding the Fourth Proportional to 2,292.81, 3,164.06 and 1,298.09

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Solution

The fourth proportional to 2,292.81, 3,164.06 and 1,298.09 is: 1,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.81 : 3,164.06 = 1,298.09 : x
  2. Step 2: Convert to fraction form
    2,292.81/3,164.06 = 1,298.09/x
  3. Step 3: Cross multiply
    2,292.81x = 3,164.06 × 1,298.09
  4. Step 4: Simplify right side
    2,292.81x = 4,107,234.65
  5. Step 5: Solve for x
    x = 4,107,234.65/2,292.81
  6. Step 6: Final answer
    x = 1,791.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.