Home / 2,852.66-4,279.25-1,120.88

Finding the Fourth Proportional to 2,852.66, 4,279.25 and 1,120.88

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Solution

The fourth proportional to 2,852.66, 4,279.25 and 1,120.88 is: 1,681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.66 : 4,279.25 = 1,120.88 : x
  2. Step 2: Convert to fraction form
    2,852.66/4,279.25 = 1,120.88/x
  3. Step 3: Cross multiply
    2,852.66x = 4,279.25 × 1,120.88
  4. Step 4: Simplify right side
    2,852.66x = 4,796,507.15
  5. Step 5: Solve for x
    x = 4,796,507.15/2,852.66
  6. Step 6: Final answer
    x = 1,681.42

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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.