Home / 3,398.56-4,690.04-2,219.63

Finding the Fourth Proportional to 3,398.56, 4,690.04 and 2,219.63

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Solution

The fourth proportional to 3,398.56, 4,690.04 and 2,219.63 is: 3,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.56 : 4,690.04 = 2,219.63 : x
  2. Step 2: Convert to fraction form
    3,398.56/4,690.04 = 2,219.63/x
  3. Step 3: Cross multiply
    3,398.56x = 4,690.04 × 2,219.63
  4. Step 4: Simplify right side
    3,398.56x = 10,410,118.94
  5. Step 5: Solve for x
    x = 10,410,118.94/3,398.56
  6. Step 6: Final answer
    x = 3,063.10

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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.