Home / 2,011.70-3,010.35-1,838.90

Finding the Fourth Proportional to 2,011.70, 3,010.35 and 1,838.90

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Solution

The fourth proportional to 2,011.70, 3,010.35 and 1,838.90 is: 2,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.70 : 3,010.35 = 1,838.90 : x
  2. Step 2: Convert to fraction form
    2,011.70/3,010.35 = 1,838.90/x
  3. Step 3: Cross multiply
    2,011.70x = 3,010.35 × 1,838.90
  4. Step 4: Simplify right side
    2,011.70x = 5,535,732.62
  5. Step 5: Solve for x
    x = 5,535,732.62/2,011.70
  6. Step 6: Final answer
    x = 2,751.77

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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.