Home / 1,415.85-2,122.97-593.43

Finding the Fourth Proportional to 1,415.85, 2,122.97 and 593.43

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Solution

The fourth proportional to 1,415.85, 2,122.97 and 593.43 is: 889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.85 : 2,122.97 = 593.43 : x
  2. Step 2: Convert to fraction form
    1,415.85/2,122.97 = 593.43/x
  3. Step 3: Cross multiply
    1,415.85x = 2,122.97 × 593.43
  4. Step 4: Simplify right side
    1,415.85x = 1,259,831.12
  5. Step 5: Solve for x
    x = 1,259,831.12/1,415.85
  6. Step 6: Final answer
    x = 889.81

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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.