Home / 3,731.57-5,596.74-1,390.96

Finding the Fourth Proportional to 3,731.57, 5,596.74 and 1,390.96

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Solution

The fourth proportional to 3,731.57, 5,596.74 and 1,390.96 is: 2,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.57 : 5,596.74 = 1,390.96 : x
  2. Step 2: Convert to fraction form
    3,731.57/5,596.74 = 1,390.96/x
  3. Step 3: Cross multiply
    3,731.57x = 5,596.74 × 1,390.96
  4. Step 4: Simplify right side
    3,731.57x = 7,784,824.11
  5. Step 5: Solve for x
    x = 7,784,824.11/3,731.57
  6. Step 6: Final answer
    x = 2,086.20

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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.