Home / 1,772.92-2,446.44-1,026.72

Finding the Fourth Proportional to 1,772.92, 2,446.44 and 1,026.72

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Solution

The fourth proportional to 1,772.92, 2,446.44 and 1,026.72 is: 1,416.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.92 : 2,446.44 = 1,026.72 : x
  2. Step 2: Convert to fraction form
    1,772.92/2,446.44 = 1,026.72/x
  3. Step 3: Cross multiply
    1,772.92x = 2,446.44 × 1,026.72
  4. Step 4: Simplify right side
    1,772.92x = 2,511,805.03
  5. Step 5: Solve for x
    x = 2,511,805.03/1,772.92
  6. Step 6: Final answer
    x = 1,416.76

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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.