Home / 1,408.46-2,104.82-1,263.92

Finding the Fourth Proportional to 1,408.46, 2,104.82 and 1,263.92

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Solution

The fourth proportional to 1,408.46, 2,104.82 and 1,263.92 is: 1,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408.46 : 2,104.82 = 1,263.92 : x
  2. Step 2: Convert to fraction form
    1,408.46/2,104.82 = 1,263.92/x
  3. Step 3: Cross multiply
    1,408.46x = 2,104.82 × 1,263.92
  4. Step 4: Simplify right side
    1,408.46x = 2,660,324.09
  5. Step 5: Solve for x
    x = 2,660,324.09/1,408.46
  6. Step 6: Final answer
    x = 1,888.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.