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Finding the Fourth Proportional to 3,935.65, 5,900.57 and 1,854.48

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Solution

The fourth proportional to 3,935.65, 5,900.57 and 1,854.48 is: 2,780.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.65 : 5,900.57 = 1,854.48 : x
  2. Step 2: Convert to fraction form
    3,935.65/5,900.57 = 1,854.48/x
  3. Step 3: Cross multiply
    3,935.65x = 5,900.57 × 1,854.48
  4. Step 4: Simplify right side
    3,935.65x = 10,942,493.69
  5. Step 5: Solve for x
    x = 10,942,493.69/3,935.65
  6. Step 6: Final answer
    x = 2,780.35

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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.