Home / 3,109.36-4,664.24-1,160.92

Finding the Fourth Proportional to 3,109.36, 4,664.24 and 1,160.92

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Solution

The fourth proportional to 3,109.36, 4,664.24 and 1,160.92 is: 1,741.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.36 : 4,664.24 = 1,160.92 : x
  2. Step 2: Convert to fraction form
    3,109.36/4,664.24 = 1,160.92/x
  3. Step 3: Cross multiply
    3,109.36x = 4,664.24 × 1,160.92
  4. Step 4: Simplify right side
    3,109.36x = 5,414,809.50
  5. Step 5: Solve for x
    x = 5,414,809.50/3,109.36
  6. Step 6: Final answer
    x = 1,741.45

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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.