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Finding the Fourth Proportional to 2,361.96, 3,544.76 and 1,900.87

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Solution

The fourth proportional to 2,361.96, 3,544.76 and 1,900.87 is: 2,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.96 : 3,544.76 = 1,900.87 : x
  2. Step 2: Convert to fraction form
    2,361.96/3,544.76 = 1,900.87/x
  3. Step 3: Cross multiply
    2,361.96x = 3,544.76 × 1,900.87
  4. Step 4: Simplify right side
    2,361.96x = 6,738,123.83
  5. Step 5: Solve for x
    x = 6,738,123.83/2,361.96
  6. Step 6: Final answer
    x = 2,852.77

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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.