Home / 1,415.11-2,122.27-593.21

Finding the Fourth Proportional to 1,415.11, 2,122.27 and 593.21

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Solution

The fourth proportional to 1,415.11, 2,122.27 and 593.21 is: 889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.11 : 2,122.27 = 593.21 : x
  2. Step 2: Convert to fraction form
    1,415.11/2,122.27 = 593.21/x
  3. Step 3: Cross multiply
    1,415.11x = 2,122.27 × 593.21
  4. Step 4: Simplify right side
    1,415.11x = 1,258,951.79
  5. Step 5: Solve for x
    x = 1,258,951.79/1,415.11
  6. Step 6: Final answer
    x = 889.65

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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.