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Finding the Fourth Proportional to 2,016.69, 3,025.03 and 555.85

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Solution

The fourth proportional to 2,016.69, 3,025.03 and 555.85 is: 833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016.69 : 3,025.03 = 555.85 : x
  2. Step 2: Convert to fraction form
    2,016.69/3,025.03 = 555.85/x
  3. Step 3: Cross multiply
    2,016.69x = 3,025.03 × 555.85
  4. Step 4: Simplify right side
    2,016.69x = 1,681,462.93
  5. Step 5: Solve for x
    x = 1,681,462.93/2,016.69
  6. Step 6: Final answer
    x = 833.77

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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.