Home / 3,230.94-4,459.81-1,904.56

Finding the Fourth Proportional to 3,230.94, 4,459.81 and 1,904.56

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Solution

The fourth proportional to 3,230.94, 4,459.81 and 1,904.56 is: 2,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.94 : 4,459.81 = 1,904.56 : x
  2. Step 2: Convert to fraction form
    3,230.94/4,459.81 = 1,904.56/x
  3. Step 3: Cross multiply
    3,230.94x = 4,459.81 × 1,904.56
  4. Step 4: Simplify right side
    3,230.94x = 8,493,988.48
  5. Step 5: Solve for x
    x = 8,493,988.48/3,230.94
  6. Step 6: Final answer
    x = 2,628.95

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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.