Home / 3,435.20-4,737.52-2,771.84

Finding the Fourth Proportional to 3,435.20, 4,737.52 and 2,771.84

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Solution

The fourth proportional to 3,435.20, 4,737.52 and 2,771.84 is: 3,822.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.20 : 4,737.52 = 2,771.84 : x
  2. Step 2: Convert to fraction form
    3,435.20/4,737.52 = 2,771.84/x
  3. Step 3: Cross multiply
    3,435.20x = 4,737.52 × 2,771.84
  4. Step 4: Simplify right side
    3,435.20x = 13,131,647.44
  5. Step 5: Solve for x
    x = 13,131,647.44/3,435.20
  6. Step 6: Final answer
    x = 3,822.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.