Home / 2,579.04-3,872.17-1,330.70

Finding the Fourth Proportional to 2,579.04, 3,872.17 and 1,330.70

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Solution

The fourth proportional to 2,579.04, 3,872.17 and 1,330.70 is: 1,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.04 : 3,872.17 = 1,330.70 : x
  2. Step 2: Convert to fraction form
    2,579.04/3,872.17 = 1,330.70/x
  3. Step 3: Cross multiply
    2,579.04x = 3,872.17 × 1,330.70
  4. Step 4: Simplify right side
    2,579.04x = 5,152,678.92
  5. Step 5: Solve for x
    x = 5,152,678.92/2,579.04
  6. Step 6: Final answer
    x = 1,997.91

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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.