Home / 3,230.34-4,458.54-1,904.50

Finding the Fourth Proportional to 3,230.34, 4,458.54 and 1,904.50

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Solution

The fourth proportional to 3,230.34, 4,458.54 and 1,904.50 is: 2,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.34 : 4,458.54 = 1,904.50 : x
  2. Step 2: Convert to fraction form
    3,230.34/4,458.54 = 1,904.50/x
  3. Step 3: Cross multiply
    3,230.34x = 4,458.54 × 1,904.50
  4. Step 4: Simplify right side
    3,230.34x = 8,491,289.43
  5. Step 5: Solve for x
    x = 8,491,289.43/3,230.34
  6. Step 6: Final answer
    x = 2,628.61

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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.