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Finding the Fourth Proportional to 4,239.99, 6,357.96 and 1,900.02

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Solution

The fourth proportional to 4,239.99, 6,357.96 and 1,900.02 is: 2,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.99 : 6,357.96 = 1,900.02 : x
  2. Step 2: Convert to fraction form
    4,239.99/6,357.96 = 1,900.02/x
  3. Step 3: Cross multiply
    4,239.99x = 6,357.96 × 1,900.02
  4. Step 4: Simplify right side
    4,239.99x = 12,080,221.36
  5. Step 5: Solve for x
    x = 12,080,221.36/4,239.99
  6. Step 6: Final answer
    x = 2,849.11

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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.