Home / 2,877.23-4,313.82-1,120.88

Finding the Fourth Proportional to 2,877.23, 4,313.82 and 1,120.88

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Solution

The fourth proportional to 2,877.23, 4,313.82 and 1,120.88 is: 1,680.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.23 : 4,313.82 = 1,120.88 : x
  2. Step 2: Convert to fraction form
    2,877.23/4,313.82 = 1,120.88/x
  3. Step 3: Cross multiply
    2,877.23x = 4,313.82 × 1,120.88
  4. Step 4: Simplify right side
    2,877.23x = 4,835,274.56
  5. Step 5: Solve for x
    x = 4,835,274.56/2,877.23
  6. Step 6: Final answer
    x = 1,680.53

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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.