Home / 2,040.87-2,816.46-1,156.65

Finding the Fourth Proportional to 2,040.87, 2,816.46 and 1,156.65

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Solution

The fourth proportional to 2,040.87, 2,816.46 and 1,156.65 is: 1,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.87 : 2,816.46 = 1,156.65 : x
  2. Step 2: Convert to fraction form
    2,040.87/2,816.46 = 1,156.65/x
  3. Step 3: Cross multiply
    2,040.87x = 2,816.46 × 1,156.65
  4. Step 4: Simplify right side
    2,040.87x = 3,257,644.38
  5. Step 5: Solve for x
    x = 3,257,644.38/2,040.87
  6. Step 6: Final answer
    x = 1,596.20

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Why These Related Problems?

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