Home / 1,334.12-1,837.26-1,305.50

Finding the Fourth Proportional to 1,334.12, 1,837.26 and 1,305.50

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Solution

The fourth proportional to 1,334.12, 1,837.26 and 1,305.50 is: 1,797.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.12 : 1,837.26 = 1,305.50 : x
  2. Step 2: Convert to fraction form
    1,334.12/1,837.26 = 1,305.50/x
  3. Step 3: Cross multiply
    1,334.12x = 1,837.26 × 1,305.50
  4. Step 4: Simplify right side
    1,334.12x = 2,398,542.93
  5. Step 5: Solve for x
    x = 2,398,542.93/1,334.12
  6. Step 6: Final answer
    x = 1,797.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.