Home / 1,134.12-1,699.56-516.30

Finding the Fourth Proportional to 1,134.12, 1,699.56 and 516.30

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Solution

The fourth proportional to 1,134.12, 1,699.56 and 516.30 is: 773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.12 : 1,699.56 = 516.30 : x
  2. Step 2: Convert to fraction form
    1,134.12/1,699.56 = 516.30/x
  3. Step 3: Cross multiply
    1,134.12x = 1,699.56 × 516.30
  4. Step 4: Simplify right side
    1,134.12x = 877,482.83
  5. Step 5: Solve for x
    x = 877,482.83/1,134.12
  6. Step 6: Final answer
    x = 773.71

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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.