Home / 2,636.60-3,954.89-1,077.33

Finding the Fourth Proportional to 2,636.60, 3,954.89 and 1,077.33

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Solution

The fourth proportional to 2,636.60, 3,954.89 and 1,077.33 is: 1,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.60 : 3,954.89 = 1,077.33 : x
  2. Step 2: Convert to fraction form
    2,636.60/3,954.89 = 1,077.33/x
  3. Step 3: Cross multiply
    2,636.60x = 3,954.89 × 1,077.33
  4. Step 4: Simplify right side
    2,636.60x = 4,260,718.95
  5. Step 5: Solve for x
    x = 4,260,718.95/2,636.60
  6. Step 6: Final answer
    x = 1,615.99

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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.