Home / 3,215.69-4,823.13-1,135.61

Finding the Fourth Proportional to 3,215.69, 4,823.13 and 1,135.61

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Solution

The fourth proportional to 3,215.69, 4,823.13 and 1,135.61 is: 1,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.69 : 4,823.13 = 1,135.61 : x
  2. Step 2: Convert to fraction form
    3,215.69/4,823.13 = 1,135.61/x
  3. Step 3: Cross multiply
    3,215.69x = 4,823.13 × 1,135.61
  4. Step 4: Simplify right side
    3,215.69x = 5,477,194.66
  5. Step 5: Solve for x
    x = 5,477,194.66/3,215.69
  6. Step 6: Final answer
    x = 1,703.27

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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.