Home / 3,722.18-5,135.56-2,396.65

Finding the Fourth Proportional to 3,722.18, 5,135.56 and 2,396.65

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Solution

The fourth proportional to 3,722.18, 5,135.56 and 2,396.65 is: 3,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.18 : 5,135.56 = 2,396.65 : x
  2. Step 2: Convert to fraction form
    3,722.18/5,135.56 = 2,396.65/x
  3. Step 3: Cross multiply
    3,722.18x = 5,135.56 × 2,396.65
  4. Step 4: Simplify right side
    3,722.18x = 12,308,139.87
  5. Step 5: Solve for x
    x = 12,308,139.87/3,722.18
  6. Step 6: Final answer
    x = 3,306.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.