Home / 3,921.75-5,910.16-3,532.19

Finding the Fourth Proportional to 3,921.75, 5,910.16 and 3,532.19

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Solution

The fourth proportional to 3,921.75, 5,910.16 and 3,532.19 is: 5,323.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.75 : 5,910.16 = 3,532.19 : x
  2. Step 2: Convert to fraction form
    3,921.75/5,910.16 = 3,532.19/x
  3. Step 3: Cross multiply
    3,921.75x = 5,910.16 × 3,532.19
  4. Step 4: Simplify right side
    3,921.75x = 20,875,808.05
  5. Step 5: Solve for x
    x = 20,875,808.05/3,921.75
  6. Step 6: Final answer
    x = 5,323.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.