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Finding the Fourth Proportional to 2,006.98, 3,010.92 and 708.45

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Solution

The fourth proportional to 2,006.98, 3,010.92 and 708.45 is: 1,062.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.98 : 3,010.92 = 708.45 : x
  2. Step 2: Convert to fraction form
    2,006.98/3,010.92 = 708.45/x
  3. Step 3: Cross multiply
    2,006.98x = 3,010.92 × 708.45
  4. Step 4: Simplify right side
    2,006.98x = 2,133,086.27
  5. Step 5: Solve for x
    x = 2,133,086.27/2,006.98
  6. Step 6: Final answer
    x = 1,062.83

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1.5x scale

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.