Home / 1,584.20-2,184.86-1,190.54

Finding the Fourth Proportional to 1,584.20, 2,184.86 and 1,190.54

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Solution

The fourth proportional to 1,584.20, 2,184.86 and 1,190.54 is: 1,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.20 : 2,184.86 = 1,190.54 : x
  2. Step 2: Convert to fraction form
    1,584.20/2,184.86 = 1,190.54/x
  3. Step 3: Cross multiply
    1,584.20x = 2,184.86 × 1,190.54
  4. Step 4: Simplify right side
    1,584.20x = 2,601,163.22
  5. Step 5: Solve for x
    x = 2,601,163.22/1,584.20
  6. Step 6: Final answer
    x = 1,641.94

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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.