Home / 2,636.84-3,957.21-1,250.18

Finding the Fourth Proportional to 2,636.84, 3,957.21 and 1,250.18

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Solution

The fourth proportional to 2,636.84, 3,957.21 and 1,250.18 is: 1,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.84 : 3,957.21 = 1,250.18 : x
  2. Step 2: Convert to fraction form
    2,636.84/3,957.21 = 1,250.18/x
  3. Step 3: Cross multiply
    2,636.84x = 3,957.21 × 1,250.18
  4. Step 4: Simplify right side
    2,636.84x = 4,947,224.80
  5. Step 5: Solve for x
    x = 4,947,224.80/2,636.84
  6. Step 6: Final answer
    x = 1,876.19

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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.