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Finding the Fourth Proportional to 1,859.81, 2,791.53 and 1,601.01

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Solution

The fourth proportional to 1,859.81, 2,791.53 and 1,601.01 is: 2,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.81 : 2,791.53 = 1,601.01 : x
  2. Step 2: Convert to fraction form
    1,859.81/2,791.53 = 1,601.01/x
  3. Step 3: Cross multiply
    1,859.81x = 2,791.53 × 1,601.01
  4. Step 4: Simplify right side
    1,859.81x = 4,469,267.45
  5. Step 5: Solve for x
    x = 4,469,267.45/1,859.81
  6. Step 6: Final answer
    x = 2,403.08

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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.