Home / 1,262.09-1,743.14-841.75

Finding the Fourth Proportional to 1,262.09, 1,743.14 and 841.75

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Solution

The fourth proportional to 1,262.09, 1,743.14 and 841.75 is: 1,162.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.09 : 1,743.14 = 841.75 : x
  2. Step 2: Convert to fraction form
    1,262.09/1,743.14 = 841.75/x
  3. Step 3: Cross multiply
    1,262.09x = 1,743.14 × 841.75
  4. Step 4: Simplify right side
    1,262.09x = 1,467,288.10
  5. Step 5: Solve for x
    x = 1,467,288.10/1,262.09
  6. Step 6: Final answer
    x = 1,162.59

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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.