Home / 3,212.60-4,429.50-2,467.40

Finding the Fourth Proportional to 3,212.60, 4,429.50 and 2,467.40

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Solution

The fourth proportional to 3,212.60, 4,429.50 and 2,467.40 is: 3,402.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.60 : 4,429.50 = 2,467.40 : x
  2. Step 2: Convert to fraction form
    3,212.60/4,429.50 = 2,467.40/x
  3. Step 3: Cross multiply
    3,212.60x = 4,429.50 × 2,467.40
  4. Step 4: Simplify right side
    3,212.60x = 10,929,348.30
  5. Step 5: Solve for x
    x = 10,929,348.30/3,212.60
  6. Step 6: Final answer
    x = 3,402.03

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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.