Home / 3,216.83-4,846.87-2,909.03

Finding the Fourth Proportional to 3,216.83, 4,846.87 and 2,909.03

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Solution

The fourth proportional to 3,216.83, 4,846.87 and 2,909.03 is: 4,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.83 : 4,846.87 = 2,909.03 : x
  2. Step 2: Convert to fraction form
    3,216.83/4,846.87 = 2,909.03/x
  3. Step 3: Cross multiply
    3,216.83x = 4,846.87 × 2,909.03
  4. Step 4: Simplify right side
    3,216.83x = 14,099,682.96
  5. Step 5: Solve for x
    x = 14,099,682.96/3,216.83
  6. Step 6: Final answer
    x = 4,383.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.