Home / 3,219.84-4,449.60-2,597.76

Finding the Fourth Proportional to 3,219.84, 4,449.60 and 2,597.76

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Solution

The fourth proportional to 3,219.84, 4,449.60 and 2,597.76 is: 3,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.84 : 4,449.60 = 2,597.76 : x
  2. Step 2: Convert to fraction form
    3,219.84/4,449.60 = 2,597.76/x
  3. Step 3: Cross multiply
    3,219.84x = 4,449.60 × 2,597.76
  4. Step 4: Simplify right side
    3,219.84x = 11,558,992.90
  5. Step 5: Solve for x
    x = 11,558,992.90/3,219.84
  6. Step 6: Final answer
    x = 3,589.93

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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.