Home / 3,703.20-5,558.40-2,245.20

Finding the Fourth Proportional to 3,703.20, 5,558.40 and 2,245.20

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Solution

The fourth proportional to 3,703.20, 5,558.40 and 2,245.20 is: 3,369.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.20 : 5,558.40 = 2,245.20 : x
  2. Step 2: Convert to fraction form
    3,703.20/5,558.40 = 2,245.20/x
  3. Step 3: Cross multiply
    3,703.20x = 5,558.40 × 2,245.20
  4. Step 4: Simplify right side
    3,703.20x = 12,479,719.68
  5. Step 5: Solve for x
    x = 12,479,719.68/3,703.20
  6. Step 6: Final answer
    x = 3,369.98

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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.