Home / 2,822.76-4,236.57-1,957.68

Finding the Fourth Proportional to 2,822.76, 4,236.57 and 1,957.68

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Solution

The fourth proportional to 2,822.76, 4,236.57 and 1,957.68 is: 2,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.76 : 4,236.57 = 1,957.68 : x
  2. Step 2: Convert to fraction form
    2,822.76/4,236.57 = 1,957.68/x
  3. Step 3: Cross multiply
    2,822.76x = 4,236.57 × 1,957.68
  4. Step 4: Simplify right side
    2,822.76x = 8,293,848.36
  5. Step 5: Solve for x
    x = 8,293,848.36/2,822.76
  6. Step 6: Final answer
    x = 2,938.21

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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.