Home / 3,435.55-5,163.41-2,854.31

Finding the Fourth Proportional to 3,435.55, 5,163.41 and 2,854.31

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Solution

The fourth proportional to 3,435.55, 5,163.41 and 2,854.31 is: 4,289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.55 : 5,163.41 = 2,854.31 : x
  2. Step 2: Convert to fraction form
    3,435.55/5,163.41 = 2,854.31/x
  3. Step 3: Cross multiply
    3,435.55x = 5,163.41 × 2,854.31
  4. Step 4: Simplify right side
    3,435.55x = 14,737,954.12
  5. Step 5: Solve for x
    x = 14,737,954.12/3,435.55
  6. Step 6: Final answer
    x = 4,289.84

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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.