Home / 1,296.41-1,780.01-1,262.58

Finding the Fourth Proportional to 1,296.41, 1,780.01 and 1,262.58

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Solution

The fourth proportional to 1,296.41, 1,780.01 and 1,262.58 is: 1,733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.41 : 1,780.01 = 1,262.58 : x
  2. Step 2: Convert to fraction form
    1,296.41/1,780.01 = 1,262.58/x
  3. Step 3: Cross multiply
    1,296.41x = 1,780.01 × 1,262.58
  4. Step 4: Simplify right side
    1,296.41x = 2,247,397.74
  5. Step 5: Solve for x
    x = 2,247,397.74/1,296.41
  6. Step 6: Final answer
    x = 1,733.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.