Home / 3,374.25-4,636.88-3,219.90

Finding the Fourth Proportional to 3,374.25, 4,636.88 and 3,219.90

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Solution

The fourth proportional to 3,374.25, 4,636.88 and 3,219.90 is: 4,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.25 : 4,636.88 = 3,219.90 : x
  2. Step 2: Convert to fraction form
    3,374.25/4,636.88 = 3,219.90/x
  3. Step 3: Cross multiply
    3,374.25x = 4,636.88 × 3,219.90
  4. Step 4: Simplify right side
    3,374.25x = 14,930,273.81
  5. Step 5: Solve for x
    x = 14,930,273.81/3,374.25
  6. Step 6: Final answer
    x = 4,424.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.