Home / 1,853.82-2,559.06-1,224.65

Finding the Fourth Proportional to 1,853.82, 2,559.06 and 1,224.65

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Solution

The fourth proportional to 1,853.82, 2,559.06 and 1,224.65 is: 1,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.82 : 2,559.06 = 1,224.65 : x
  2. Step 2: Convert to fraction form
    1,853.82/2,559.06 = 1,224.65/x
  3. Step 3: Cross multiply
    1,853.82x = 2,559.06 × 1,224.65
  4. Step 4: Simplify right side
    1,853.82x = 3,133,959.23
  5. Step 5: Solve for x
    x = 3,133,959.23/1,853.82
  6. Step 6: Final answer
    x = 1,690.54

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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.