Home / 3,771.40-5,658.72-2,682.76

Finding the Fourth Proportional to 3,771.40, 5,658.72 and 2,682.76

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Solution

The fourth proportional to 3,771.40, 5,658.72 and 2,682.76 is: 4,025.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.40 : 5,658.72 = 2,682.76 : x
  2. Step 2: Convert to fraction form
    3,771.40/5,658.72 = 2,682.76/x
  3. Step 3: Cross multiply
    3,771.40x = 5,658.72 × 2,682.76
  4. Step 4: Simplify right side
    3,771.40x = 15,180,987.67
  5. Step 5: Solve for x
    x = 15,180,987.67/3,771.40
  6. Step 6: Final answer
    x = 4,025.29

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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.