Home / 1,748.85-2,623.64-516.30

Finding the Fourth Proportional to 1,748.85, 2,623.64 and 516.30

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Solution

The fourth proportional to 1,748.85, 2,623.64 and 516.30 is: 774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.85 : 2,623.64 = 516.30 : x
  2. Step 2: Convert to fraction form
    1,748.85/2,623.64 = 516.30/x
  3. Step 3: Cross multiply
    1,748.85x = 2,623.64 × 516.30
  4. Step 4: Simplify right side
    1,748.85x = 1,354,582.75
  5. Step 5: Solve for x
    x = 1,354,582.75/1,748.85
  6. Step 6: Final answer
    x = 774.56

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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.