Home / 1,816.98-2,505.69-1,152.65

Finding the Fourth Proportional to 1,816.98, 2,505.69 and 1,152.65

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Solution

The fourth proportional to 1,816.98, 2,505.69 and 1,152.65 is: 1,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.98 : 2,505.69 = 1,152.65 : x
  2. Step 2: Convert to fraction form
    1,816.98/2,505.69 = 1,152.65/x
  3. Step 3: Cross multiply
    1,816.98x = 2,505.69 × 1,152.65
  4. Step 4: Simplify right side
    1,816.98x = 2,888,171.05
  5. Step 5: Solve for x
    x = 2,888,171.05/1,816.98
  6. Step 6: Final answer
    x = 1,589.54

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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.