Home / 3,212.38-4,818.60-1,263.21

Finding the Fourth Proportional to 3,212.38, 4,818.60 and 1,263.21

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Solution

The fourth proportional to 3,212.38, 4,818.60 and 1,263.21 is: 1,894.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.38 : 4,818.60 = 1,263.21 : x
  2. Step 2: Convert to fraction form
    3,212.38/4,818.60 = 1,263.21/x
  3. Step 3: Cross multiply
    3,212.38x = 4,818.60 × 1,263.21
  4. Step 4: Simplify right side
    3,212.38x = 6,086,903.71
  5. Step 5: Solve for x
    x = 6,086,903.71/3,212.38
  6. Step 6: Final answer
    x = 1,894.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.