Home / 1,584.44-2,186.80-1,318.52

Finding the Fourth Proportional to 1,584.44, 2,186.80 and 1,318.52

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Solution

The fourth proportional to 1,584.44, 2,186.80 and 1,318.52 is: 1,819.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.44 : 2,186.80 = 1,318.52 : x
  2. Step 2: Convert to fraction form
    1,584.44/2,186.80 = 1,318.52/x
  3. Step 3: Cross multiply
    1,584.44x = 2,186.80 × 1,318.52
  4. Step 4: Simplify right side
    1,584.44x = 2,883,344.34
  5. Step 5: Solve for x
    x = 2,883,344.34/1,584.44
  6. Step 6: Final answer
    x = 1,819.79

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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.