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Finding the Fourth Proportional to 1,831.05, 2,744.64 and 598.13

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Solution

The fourth proportional to 1,831.05, 2,744.64 and 598.13 is: 896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831.05 : 2,744.64 = 598.13 : x
  2. Step 2: Convert to fraction form
    1,831.05/2,744.64 = 598.13/x
  3. Step 3: Cross multiply
    1,831.05x = 2,744.64 × 598.13
  4. Step 4: Simplify right side
    1,831.05x = 1,641,645.85
  5. Step 5: Solve for x
    x = 1,641,645.85/1,831.05
  6. Step 6: Final answer
    x = 896.56

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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.