Home / 1,816.17-2,725.62-1,330.48

Finding the Fourth Proportional to 1,816.17, 2,725.62 and 1,330.48

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Solution

The fourth proportional to 1,816.17, 2,725.62 and 1,330.48 is: 1,996.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.17 : 2,725.62 = 1,330.48 : x
  2. Step 2: Convert to fraction form
    1,816.17/2,725.62 = 1,330.48/x
  3. Step 3: Cross multiply
    1,816.17x = 2,725.62 × 1,330.48
  4. Step 4: Simplify right side
    1,816.17x = 3,626,382.90
  5. Step 5: Solve for x
    x = 3,626,382.90/1,816.17
  6. Step 6: Final answer
    x = 1,996.72

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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.