Home / 1,908.66-2,869.92-1,756.40

Finding the Fourth Proportional to 1,908.66, 2,869.92 and 1,756.40

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Solution

The fourth proportional to 1,908.66, 2,869.92 and 1,756.40 is: 2,640.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.66 : 2,869.92 = 1,756.40 : x
  2. Step 2: Convert to fraction form
    1,908.66/2,869.92 = 1,756.40/x
  3. Step 3: Cross multiply
    1,908.66x = 2,869.92 × 1,756.40
  4. Step 4: Simplify right side
    1,908.66x = 5,040,713.14
  5. Step 5: Solve for x
    x = 5,040,713.14/1,908.66
  6. Step 6: Final answer
    x = 2,640.97

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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.