Home / 3,726.12-5,589.42-1,260.60

Finding the Fourth Proportional to 3,726.12, 5,589.42 and 1,260.60

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Solution

The fourth proportional to 3,726.12, 5,589.42 and 1,260.60 is: 1,890.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.12 : 5,589.42 = 1,260.60 : x
  2. Step 2: Convert to fraction form
    3,726.12/5,589.42 = 1,260.60/x
  3. Step 3: Cross multiply
    3,726.12x = 5,589.42 × 1,260.60
  4. Step 4: Simplify right side
    3,726.12x = 7,046,022.85
  5. Step 5: Solve for x
    x = 7,046,022.85/3,726.12
  6. Step 6: Final answer
    x = 1,890.98

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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.