Home / 2,718.16-4,076.70-1,330.90

Finding the Fourth Proportional to 2,718.16, 4,076.70 and 1,330.90

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Solution

The fourth proportional to 2,718.16, 4,076.70 and 1,330.90 is: 1,996.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.16 : 4,076.70 = 1,330.90 : x
  2. Step 2: Convert to fraction form
    2,718.16/4,076.70 = 1,330.90/x
  3. Step 3: Cross multiply
    2,718.16x = 4,076.70 × 1,330.90
  4. Step 4: Simplify right side
    2,718.16x = 5,425,680.03
  5. Step 5: Solve for x
    x = 5,425,680.03/2,718.16
  6. Step 6: Final answer
    x = 1,996.09

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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.