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Finding the Fourth Proportional to 2,009.23, 3,013 and 710.80

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Solution

The fourth proportional to 2,009.23, 3,013 and 710.80 is: 1,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.23 : 3,013 = 710.80 : x
  2. Step 2: Convert to fraction form
    2,009.23/3,013 = 710.80/x
  3. Step 3: Cross multiply
    2,009.23x = 3,013 × 710.80
  4. Step 4: Simplify right side
    2,009.23x = 2,141,640.40
  5. Step 5: Solve for x
    x = 2,141,640.40/2,009.23
  6. Step 6: Final answer
    x = 1,065.90

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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.