Home / 1,749.10-2,624.08-516.51

Finding the Fourth Proportional to 1,749.10, 2,624.08 and 516.51

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Solution

The fourth proportional to 1,749.10, 2,624.08 and 516.51 is: 774.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.10 : 2,624.08 = 516.51 : x
  2. Step 2: Convert to fraction form
    1,749.10/2,624.08 = 516.51/x
  3. Step 3: Cross multiply
    1,749.10x = 2,624.08 × 516.51
  4. Step 4: Simplify right side
    1,749.10x = 1,355,350.44
  5. Step 5: Solve for x
    x = 1,355,350.44/1,749.10
  6. Step 6: Final answer
    x = 774.88

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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.