Home / 1,246.47-1,869.42-516.27

Finding the Fourth Proportional to 1,246.47, 1,869.42 and 516.27

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Solution

The fourth proportional to 1,246.47, 1,869.42 and 516.27 is: 774.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.47 : 1,869.42 = 516.27 : x
  2. Step 2: Convert to fraction form
    1,246.47/1,869.42 = 516.27/x
  3. Step 3: Cross multiply
    1,246.47x = 1,869.42 × 516.27
  4. Step 4: Simplify right side
    1,246.47x = 965,125.46
  5. Step 5: Solve for x
    x = 965,125.46/1,246.47
  6. Step 6: Final answer
    x = 774.29

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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.