Home / 3,505.92-5,261.50-2,392.70

Finding the Fourth Proportional to 3,505.92, 5,261.50 and 2,392.70

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Solution

The fourth proportional to 3,505.92, 5,261.50 and 2,392.70 is: 3,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.92 : 5,261.50 = 2,392.70 : x
  2. Step 2: Convert to fraction form
    3,505.92/5,261.50 = 2,392.70/x
  3. Step 3: Cross multiply
    3,505.92x = 5,261.50 × 2,392.70
  4. Step 4: Simplify right side
    3,505.92x = 12,589,191.05
  5. Step 5: Solve for x
    x = 12,589,191.05/3,505.92
  6. Step 6: Final answer
    x = 3,590.84

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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.