Home / 3,380.58-4,662.63-2,909.27

Finding the Fourth Proportional to 3,380.58, 4,662.63 and 2,909.27

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Solution

The fourth proportional to 3,380.58, 4,662.63 and 2,909.27 is: 4,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.58 : 4,662.63 = 2,909.27 : x
  2. Step 2: Convert to fraction form
    3,380.58/4,662.63 = 2,909.27/x
  3. Step 3: Cross multiply
    3,380.58x = 4,662.63 × 2,909.27
  4. Step 4: Simplify right side
    3,380.58x = 13,564,826.27
  5. Step 5: Solve for x
    x = 13,564,826.27/3,380.58
  6. Step 6: Final answer
    x = 4,012.57

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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.