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Finding the Fourth Proportional to 1,745.06, 2,408.19 and 959.12

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Solution

The fourth proportional to 1,745.06, 2,408.19 and 959.12 is: 1,323.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.06 : 2,408.19 = 959.12 : x
  2. Step 2: Convert to fraction form
    1,745.06/2,408.19 = 959.12/x
  3. Step 3: Cross multiply
    1,745.06x = 2,408.19 × 959.12
  4. Step 4: Simplify right side
    1,745.06x = 2,309,731.15
  5. Step 5: Solve for x
    x = 2,309,731.15/1,745.06
  6. Step 6: Final answer
    x = 1,323.58

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1.5x scale

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.