Home / 3,108.54-4,664.64-1,160.90

Finding the Fourth Proportional to 3,108.54, 4,664.64 and 1,160.90

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Solution

The fourth proportional to 3,108.54, 4,664.64 and 1,160.90 is: 1,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.54 : 4,664.64 = 1,160.90 : x
  2. Step 2: Convert to fraction form
    3,108.54/4,664.64 = 1,160.90/x
  3. Step 3: Cross multiply
    3,108.54x = 4,664.64 × 1,160.90
  4. Step 4: Simplify right side
    3,108.54x = 5,415,180.58
  5. Step 5: Solve for x
    x = 5,415,180.58/3,108.54
  6. Step 6: Final answer
    x = 1,742.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.