Home / 1,246.48-1,869.94-516.11

Finding the Fourth Proportional to 1,246.48, 1,869.94 and 516.11

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Solution

The fourth proportional to 1,246.48, 1,869.94 and 516.11 is: 774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.48 : 1,869.94 = 516.11 : x
  2. Step 2: Convert to fraction form
    1,246.48/1,869.94 = 516.11/x
  3. Step 3: Cross multiply
    1,246.48x = 1,869.94 × 516.11
  4. Step 4: Simplify right side
    1,246.48x = 965,094.73
  5. Step 5: Solve for x
    x = 965,094.73/1,246.48
  6. Step 6: Final answer
    x = 774.26

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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.