Home / 2,006.26-3,009.37-545.40

Finding the Fourth Proportional to 2,006.26, 3,009.37 and 545.40

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Solution

The fourth proportional to 2,006.26, 3,009.37 and 545.40 is: 818.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.26 : 3,009.37 = 545.40 : x
  2. Step 2: Convert to fraction form
    2,006.26/3,009.37 = 545.40/x
  3. Step 3: Cross multiply
    2,006.26x = 3,009.37 × 545.40
  4. Step 4: Simplify right side
    2,006.26x = 1,641,310.40
  5. Step 5: Solve for x
    x = 1,641,310.40/2,006.26
  6. Step 6: Final answer
    x = 818.09

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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.