Home / 3,726.07-5,589.79-1,227.40

Finding the Fourth Proportional to 3,726.07, 5,589.79 and 1,227.40

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Solution

The fourth proportional to 3,726.07, 5,589.79 and 1,227.40 is: 1,841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.07 : 5,589.79 = 1,227.40 : x
  2. Step 2: Convert to fraction form
    3,726.07/5,589.79 = 1,227.40/x
  3. Step 3: Cross multiply
    3,726.07x = 5,589.79 × 1,227.40
  4. Step 4: Simplify right side
    3,726.07x = 6,860,908.25
  5. Step 5: Solve for x
    x = 6,860,908.25/3,726.07
  6. Step 6: Final answer
    x = 1,841.33

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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.