Home / 3,216.70-4,825.28-1,367.61

Finding the Fourth Proportional to 3,216.70, 4,825.28 and 1,367.61

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Solution

The fourth proportional to 3,216.70, 4,825.28 and 1,367.61 is: 2,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.70 : 4,825.28 = 1,367.61 : x
  2. Step 2: Convert to fraction form
    3,216.70/4,825.28 = 1,367.61/x
  3. Step 3: Cross multiply
    3,216.70x = 4,825.28 × 1,367.61
  4. Step 4: Simplify right side
    3,216.70x = 6,599,070.22
  5. Step 5: Solve for x
    x = 6,599,070.22/3,216.70
  6. Step 6: Final answer
    x = 2,051.50

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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.