Home / 1,246.89-1,869.65-516.06

Finding the Fourth Proportional to 1,246.89, 1,869.65 and 516.06

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Solution

The fourth proportional to 1,246.89, 1,869.65 and 516.06 is: 773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.89 : 1,869.65 = 516.06 : x
  2. Step 2: Convert to fraction form
    1,246.89/1,869.65 = 516.06/x
  3. Step 3: Cross multiply
    1,246.89x = 1,869.65 × 516.06
  4. Step 4: Simplify right side
    1,246.89x = 964,849.00
  5. Step 5: Solve for x
    x = 964,849.00/1,246.89
  6. Step 6: Final answer
    x = 773.80

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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.