Home / 3,230.49-4,458.24-1,904.61

Finding the Fourth Proportional to 3,230.49, 4,458.24 and 1,904.61

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Solution

The fourth proportional to 3,230.49, 4,458.24 and 1,904.61 is: 2,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.49 : 4,458.24 = 1,904.61 : x
  2. Step 2: Convert to fraction form
    3,230.49/4,458.24 = 1,904.61/x
  3. Step 3: Cross multiply
    3,230.49x = 4,458.24 × 1,904.61
  4. Step 4: Simplify right side
    3,230.49x = 8,491,208.49
  5. Step 5: Solve for x
    x = 8,491,208.49/3,230.49
  6. Step 6: Final answer
    x = 2,628.46

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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.