Home / 3,922.31-5,410.40-2,327.90

Finding the Fourth Proportional to 3,922.31, 5,410.40 and 2,327.90

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Solution

The fourth proportional to 3,922.31, 5,410.40 and 2,327.90 is: 3,211.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.31 : 5,410.40 = 2,327.90 : x
  2. Step 2: Convert to fraction form
    3,922.31/5,410.40 = 2,327.90/x
  3. Step 3: Cross multiply
    3,922.31x = 5,410.40 × 2,327.90
  4. Step 4: Simplify right side
    3,922.31x = 12,594,870.16
  5. Step 5: Solve for x
    x = 12,594,870.16/3,922.31
  6. Step 6: Final answer
    x = 3,211.08

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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.