Home / 3,142.48-4,336.32-1,745.16

Finding the Fourth Proportional to 3,142.48, 4,336.32 and 1,745.16

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Solution

The fourth proportional to 3,142.48, 4,336.32 and 1,745.16 is: 2,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.48 : 4,336.32 = 1,745.16 : x
  2. Step 2: Convert to fraction form
    3,142.48/4,336.32 = 1,745.16/x
  3. Step 3: Cross multiply
    3,142.48x = 4,336.32 × 1,745.16
  4. Step 4: Simplify right side
    3,142.48x = 7,567,572.21
  5. Step 5: Solve for x
    x = 7,567,572.21/3,142.48
  6. Step 6: Final answer
    x = 2,408.15

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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.