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Finding the Fourth Proportional to 2,065.51, 3,098.25 and 505.52

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Solution

The fourth proportional to 2,065.51, 3,098.25 and 505.52 is: 758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.51 : 3,098.25 = 505.52 : x
  2. Step 2: Convert to fraction form
    2,065.51/3,098.25 = 505.52/x
  3. Step 3: Cross multiply
    2,065.51x = 3,098.25 × 505.52
  4. Step 4: Simplify right side
    2,065.51x = 1,566,234.36
  5. Step 5: Solve for x
    x = 1,566,234.36/2,065.51
  6. Step 6: Final answer
    x = 758.28

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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.