Home / 3,921.15-5,410.41-2,327.51

Finding the Fourth Proportional to 3,921.15, 5,410.41 and 2,327.51

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Solution

The fourth proportional to 3,921.15, 5,410.41 and 2,327.51 is: 3,211.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.15 : 5,410.41 = 2,327.51 : x
  2. Step 2: Convert to fraction form
    3,921.15/5,410.41 = 2,327.51/x
  3. Step 3: Cross multiply
    3,921.15x = 5,410.41 × 2,327.51
  4. Step 4: Simplify right side
    3,921.15x = 12,592,783.38
  5. Step 5: Solve for x
    x = 12,592,783.38/3,921.15
  6. Step 6: Final answer
    x = 3,211.50

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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.