Home / 1,112.08-1,676.56-1,052.56

Finding the Fourth Proportional to 1,112.08, 1,676.56 and 1,052.56

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Solution

The fourth proportional to 1,112.08, 1,676.56 and 1,052.56 is: 1,586.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.08 : 1,676.56 = 1,052.56 : x
  2. Step 2: Convert to fraction form
    1,112.08/1,676.56 = 1,052.56/x
  3. Step 3: Cross multiply
    1,112.08x = 1,676.56 × 1,052.56
  4. Step 4: Simplify right side
    1,112.08x = 1,764,679.99
  5. Step 5: Solve for x
    x = 1,764,679.99/1,112.08
  6. Step 6: Final answer
    x = 1,586.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.