Home / 1,643.82-2,267.08-1,479.79

Finding the Fourth Proportional to 1,643.82, 2,267.08 and 1,479.79

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Solution

The fourth proportional to 1,643.82, 2,267.08 and 1,479.79 is: 2,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643.82 : 2,267.08 = 1,479.79 : x
  2. Step 2: Convert to fraction form
    1,643.82/2,267.08 = 1,479.79/x
  3. Step 3: Cross multiply
    1,643.82x = 2,267.08 × 1,479.79
  4. Step 4: Simplify right side
    1,643.82x = 3,354,805.74
  5. Step 5: Solve for x
    x = 3,354,805.74/1,643.82
  6. Step 6: Final answer
    x = 2,040.86

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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.