Home / 1,246.95-1,869.68-516.14

Finding the Fourth Proportional to 1,246.95, 1,869.68 and 516.14

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Solution

The fourth proportional to 1,246.95, 1,869.68 and 516.14 is: 773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.95 : 1,869.68 = 516.14 : x
  2. Step 2: Convert to fraction form
    1,246.95/1,869.68 = 516.14/x
  3. Step 3: Cross multiply
    1,246.95x = 1,869.68 × 516.14
  4. Step 4: Simplify right side
    1,246.95x = 965,004.71
  5. Step 5: Solve for x
    x = 965,004.71/1,246.95
  6. Step 6: Final answer
    x = 773.89

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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.