Home / 1,584.82-2,187.65-1,418.73

Finding the Fourth Proportional to 1,584.82, 2,187.65 and 1,418.73

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Solution

The fourth proportional to 1,584.82, 2,187.65 and 1,418.73 is: 1,958.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.82 : 2,187.65 = 1,418.73 : x
  2. Step 2: Convert to fraction form
    1,584.82/2,187.65 = 1,418.73/x
  3. Step 3: Cross multiply
    1,584.82x = 2,187.65 × 1,418.73
  4. Step 4: Simplify right side
    1,584.82x = 3,103,677.59
  5. Step 5: Solve for x
    x = 3,103,677.59/1,584.82
  6. Step 6: Final answer
    x = 1,958.38

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1.5x scale

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.