Home / 1,190.44-1,632.35-1,149.24

Finding the Fourth Proportional to 1,190.44, 1,632.35 and 1,149.24

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Solution

The fourth proportional to 1,190.44, 1,632.35 and 1,149.24 is: 1,575.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.44 : 1,632.35 = 1,149.24 : x
  2. Step 2: Convert to fraction form
    1,190.44/1,632.35 = 1,149.24/x
  3. Step 3: Cross multiply
    1,190.44x = 1,632.35 × 1,149.24
  4. Step 4: Simplify right side
    1,190.44x = 1,875,961.91
  5. Step 5: Solve for x
    x = 1,875,961.91/1,190.44
  6. Step 6: Final answer
    x = 1,575.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.