Home / 2,006.70-3,011.13-1,276.62

Finding the Fourth Proportional to 2,006.70, 3,011.13 and 1,276.62

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Solution

The fourth proportional to 2,006.70, 3,011.13 and 1,276.62 is: 1,915.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.70 : 3,011.13 = 1,276.62 : x
  2. Step 2: Convert to fraction form
    2,006.70/3,011.13 = 1,276.62/x
  3. Step 3: Cross multiply
    2,006.70x = 3,011.13 × 1,276.62
  4. Step 4: Simplify right side
    2,006.70x = 3,844,068.78
  5. Step 5: Solve for x
    x = 3,844,068.78/2,006.70
  6. Step 6: Final answer
    x = 1,915.62

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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.