Home / 3,745.85-5,614.40-2,818.43

Finding the Fourth Proportional to 3,745.85, 5,614.40 and 2,818.43

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Solution

The fourth proportional to 3,745.85, 5,614.40 and 2,818.43 is: 4,224.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.85 : 5,614.40 = 2,818.43 : x
  2. Step 2: Convert to fraction form
    3,745.85/5,614.40 = 2,818.43/x
  3. Step 3: Cross multiply
    3,745.85x = 5,614.40 × 2,818.43
  4. Step 4: Simplify right side
    3,745.85x = 15,823,765.32
  5. Step 5: Solve for x
    x = 15,823,765.32/3,745.85
  6. Step 6: Final answer
    x = 4,224.35

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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.