Home / 1,908.68-2,628.59-1,641.17

Finding the Fourth Proportional to 1,908.68, 2,628.59 and 1,641.17

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Solution

The fourth proportional to 1,908.68, 2,628.59 and 1,641.17 is: 2,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.68 : 2,628.59 = 1,641.17 : x
  2. Step 2: Convert to fraction form
    1,908.68/2,628.59 = 1,641.17/x
  3. Step 3: Cross multiply
    1,908.68x = 2,628.59 × 1,641.17
  4. Step 4: Simplify right side
    1,908.68x = 4,313,961.42
  5. Step 5: Solve for x
    x = 4,313,961.42/1,908.68
  6. Step 6: Final answer
    x = 2,260.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.