Home / 1,908.18-2,859.42-1,563.93

Finding the Fourth Proportional to 1,908.18, 2,859.42 and 1,563.93

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Solution

The fourth proportional to 1,908.18, 2,859.42 and 1,563.93 is: 2,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.18 : 2,859.42 = 1,563.93 : x
  2. Step 2: Convert to fraction form
    1,908.18/2,859.42 = 1,563.93/x
  3. Step 3: Cross multiply
    1,908.18x = 2,859.42 × 1,563.93
  4. Step 4: Simplify right side
    1,908.18x = 4,471,932.72
  5. Step 5: Solve for x
    x = 4,471,932.72/1,908.18
  6. Step 6: Final answer
    x = 2,343.56

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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.