Home / 1,908.14-2,852.82-1,618.88

Finding the Fourth Proportional to 1,908.14, 2,852.82 and 1,618.88

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Solution

The fourth proportional to 1,908.14, 2,852.82 and 1,618.88 is: 2,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.14 : 2,852.82 = 1,618.88 : x
  2. Step 2: Convert to fraction form
    1,908.14/2,852.82 = 1,618.88/x
  3. Step 3: Cross multiply
    1,908.14x = 2,852.82 × 1,618.88
  4. Step 4: Simplify right side
    1,908.14x = 4,618,373.24
  5. Step 5: Solve for x
    x = 4,618,373.24/1,908.14
  6. Step 6: Final answer
    x = 2,420.35

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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.