Home / 1,745.29-2,408.49-959.35

Finding the Fourth Proportional to 1,745.29, 2,408.49 and 959.35

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Solution

The fourth proportional to 1,745.29, 2,408.49 and 959.35 is: 1,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.29 : 2,408.49 = 959.35 : x
  2. Step 2: Convert to fraction form
    1,745.29/2,408.49 = 959.35/x
  3. Step 3: Cross multiply
    1,745.29x = 2,408.49 × 959.35
  4. Step 4: Simplify right side
    1,745.29x = 2,310,572.84
  5. Step 5: Solve for x
    x = 2,310,572.84/1,745.29
  6. Step 6: Final answer
    x = 1,323.89

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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.