Home / 3,745.41-5,618.21-1,148.34

Finding the Fourth Proportional to 3,745.41, 5,618.21 and 1,148.34

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Solution

The fourth proportional to 3,745.41, 5,618.21 and 1,148.34 is: 1,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.41 : 5,618.21 = 1,148.34 : x
  2. Step 2: Convert to fraction form
    3,745.41/5,618.21 = 1,148.34/x
  3. Step 3: Cross multiply
    3,745.41x = 5,618.21 × 1,148.34
  4. Step 4: Simplify right side
    3,745.41x = 6,451,637.06
  5. Step 5: Solve for x
    x = 6,451,637.06/3,745.41
  6. Step 6: Final answer
    x = 1,722.55

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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.