Home / 3,212.69-4,818.63-1,132.61

Finding the Fourth Proportional to 3,212.69, 4,818.63 and 1,132.61

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Solution

The fourth proportional to 3,212.69, 4,818.63 and 1,132.61 is: 1,698.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.69 : 4,818.63 = 1,132.61 : x
  2. Step 2: Convert to fraction form
    3,212.69/4,818.63 = 1,132.61/x
  3. Step 3: Cross multiply
    3,212.69x = 4,818.63 × 1,132.61
  4. Step 4: Simplify right side
    3,212.69x = 5,457,628.52
  5. Step 5: Solve for x
    x = 5,457,628.52/3,212.69
  6. Step 6: Final answer
    x = 1,698.77

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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.