Home / 1,415.13-2,122.73-593.18

Finding the Fourth Proportional to 1,415.13, 2,122.73 and 593.18

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Solution

The fourth proportional to 1,415.13, 2,122.73 and 593.18 is: 889.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.13 : 2,122.73 = 593.18 : x
  2. Step 2: Convert to fraction form
    1,415.13/2,122.73 = 593.18/x
  3. Step 3: Cross multiply
    1,415.13x = 2,122.73 × 593.18
  4. Step 4: Simplify right side
    1,415.13x = 1,259,160.98
  5. Step 5: Solve for x
    x = 1,259,160.98/1,415.13
  6. Step 6: Final answer
    x = 889.78

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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.