Home / 1,825.38-2,737.26-1,391.22

Finding the Fourth Proportional to 1,825.38, 2,737.26 and 1,391.22

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Solution

The fourth proportional to 1,825.38, 2,737.26 and 1,391.22 is: 2,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.38 : 2,737.26 = 1,391.22 : x
  2. Step 2: Convert to fraction form
    1,825.38/2,737.26 = 1,391.22/x
  3. Step 3: Cross multiply
    1,825.38x = 2,737.26 × 1,391.22
  4. Step 4: Simplify right side
    1,825.38x = 3,808,130.86
  5. Step 5: Solve for x
    x = 3,808,130.86/1,825.38
  6. Step 6: Final answer
    x = 2,086.21

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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.