Home / 1,745.19-2,408.38-948.52

Finding the Fourth Proportional to 1,745.19, 2,408.38 and 948.52

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Solution

The fourth proportional to 1,745.19, 2,408.38 and 948.52 is: 1,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.19 : 2,408.38 = 948.52 : x
  2. Step 2: Convert to fraction form
    1,745.19/2,408.38 = 948.52/x
  3. Step 3: Cross multiply
    1,745.19x = 2,408.38 × 948.52
  4. Step 4: Simplify right side
    1,745.19x = 2,284,396.60
  5. Step 5: Solve for x
    x = 2,284,396.60/1,745.19
  6. Step 6: Final answer
    x = 1,308.97

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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.