Home / 3,398.22-4,690.71-2,348.46

Finding the Fourth Proportional to 3,398.22, 4,690.71 and 2,348.46

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Solution

The fourth proportional to 3,398.22, 4,690.71 and 2,348.46 is: 3,241.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.22 : 4,690.71 = 2,348.46 : x
  2. Step 2: Convert to fraction form
    3,398.22/4,690.71 = 2,348.46/x
  3. Step 3: Cross multiply
    3,398.22x = 4,690.71 × 2,348.46
  4. Step 4: Simplify right side
    3,398.22x = 11,015,944.81
  5. Step 5: Solve for x
    x = 11,015,944.81/3,398.22
  6. Step 6: Final answer
    x = 3,241.68

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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.