Home / 2,422.19-3,635.55-1,190.48

Finding the Fourth Proportional to 2,422.19, 3,635.55 and 1,190.48

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Solution

The fourth proportional to 2,422.19, 3,635.55 and 1,190.48 is: 1,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.19 : 3,635.55 = 1,190.48 : x
  2. Step 2: Convert to fraction form
    2,422.19/3,635.55 = 1,190.48/x
  3. Step 3: Cross multiply
    2,422.19x = 3,635.55 × 1,190.48
  4. Step 4: Simplify right side
    2,422.19x = 4,328,058.65
  5. Step 5: Solve for x
    x = 4,328,058.65/2,422.19
  6. Step 6: Final answer
    x = 1,786.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.