Home / 3,921.20-5,411.54-2,592.60

Finding the Fourth Proportional to 3,921.20, 5,411.54 and 2,592.60

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Solution

The fourth proportional to 3,921.20, 5,411.54 and 2,592.60 is: 3,577.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.20 : 5,411.54 = 2,592.60 : x
  2. Step 2: Convert to fraction form
    3,921.20/5,411.54 = 2,592.60/x
  3. Step 3: Cross multiply
    3,921.20x = 5,411.54 × 2,592.60
  4. Step 4: Simplify right side
    3,921.20x = 14,029,958.60
  5. Step 5: Solve for x
    x = 14,029,958.60/3,921.20
  6. Step 6: Final answer
    x = 3,577.98

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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.