Home / 2,816.70-4,226.24-1,516.65

Finding the Fourth Proportional to 2,816.70, 4,226.24 and 1,516.65

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Solution

The fourth proportional to 2,816.70, 4,226.24 and 1,516.65 is: 2,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.70 : 4,226.24 = 1,516.65 : x
  2. Step 2: Convert to fraction form
    2,816.70/4,226.24 = 1,516.65/x
  3. Step 3: Cross multiply
    2,816.70x = 4,226.24 × 1,516.65
  4. Step 4: Simplify right side
    2,816.70x = 6,409,726.90
  5. Step 5: Solve for x
    x = 6,409,726.90/2,816.70
  6. Step 6: Final answer
    x = 2,275.62

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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.