Home / 3,317.77-4,578.72-1,901.61

Finding the Fourth Proportional to 3,317.77, 4,578.72 and 1,901.61

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Solution

The fourth proportional to 3,317.77, 4,578.72 and 1,901.61 is: 2,624.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.77 : 4,578.72 = 1,901.61 : x
  2. Step 2: Convert to fraction form
    3,317.77/4,578.72 = 1,901.61/x
  3. Step 3: Cross multiply
    3,317.77x = 4,578.72 × 1,901.61
  4. Step 4: Simplify right side
    3,317.77x = 8,706,932.61
  5. Step 5: Solve for x
    x = 8,706,932.61/3,317.77
  6. Step 6: Final answer
    x = 2,624.33

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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.