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Finding the Fourth Proportional to 1,831.40, 2,744.97 and 844.82

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Solution

The fourth proportional to 1,831.40, 2,744.97 and 844.82 is: 1,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.40 : 2,744.97 = 844.82 : x
  2. Step 2: Convert to fraction form
    1,831.40/2,744.97 = 844.82/x
  3. Step 3: Cross multiply
    1,831.40x = 2,744.97 × 844.82
  4. Step 4: Simplify right side
    1,831.40x = 2,319,005.56
  5. Step 5: Solve for x
    x = 2,319,005.56/1,831.40
  6. Step 6: Final answer
    x = 1,266.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.