Home / 1,238.49-1,707.21-844.83

Finding the Fourth Proportional to 1,238.49, 1,707.21 and 844.83

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Solution

The fourth proportional to 1,238.49, 1,707.21 and 844.83 is: 1,164.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238.49 : 1,707.21 = 844.83 : x
  2. Step 2: Convert to fraction form
    1,238.49/1,707.21 = 844.83/x
  3. Step 3: Cross multiply
    1,238.49x = 1,707.21 × 844.83
  4. Step 4: Simplify right side
    1,238.49x = 1,442,302.22
  5. Step 5: Solve for x
    x = 1,442,302.22/1,238.49
  6. Step 6: Final answer
    x = 1,164.57

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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.