Home / 1,262.82-1,749.45-1,232.58

Finding the Fourth Proportional to 1,262.82, 1,749.45 and 1,232.58

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Solution

The fourth proportional to 1,262.82, 1,749.45 and 1,232.58 is: 1,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.82 : 1,749.45 = 1,232.58 : x
  2. Step 2: Convert to fraction form
    1,262.82/1,749.45 = 1,232.58/x
  3. Step 3: Cross multiply
    1,262.82x = 1,749.45 × 1,232.58
  4. Step 4: Simplify right side
    1,262.82x = 2,156,337.08
  5. Step 5: Solve for x
    x = 2,156,337.08/1,262.82
  6. Step 6: Final answer
    x = 1,707.56

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.