Home / 3,236.74-4,852.20-1,290.28

Finding the Fourth Proportional to 3,236.74, 4,852.20 and 1,290.28

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Solution

The fourth proportional to 3,236.74, 4,852.20 and 1,290.28 is: 1,934.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.74 : 4,852.20 = 1,290.28 : x
  2. Step 2: Convert to fraction form
    3,236.74/4,852.20 = 1,290.28/x
  3. Step 3: Cross multiply
    3,236.74x = 4,852.20 × 1,290.28
  4. Step 4: Simplify right side
    3,236.74x = 6,260,696.62
  5. Step 5: Solve for x
    x = 6,260,696.62/3,236.74
  6. Step 6: Final answer
    x = 1,934.26

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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.