Home / 1,749.24-2,624.22-516.66

Finding the Fourth Proportional to 1,749.24, 2,624.22 and 516.66

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Solution

The fourth proportional to 1,749.24, 2,624.22 and 516.66 is: 775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.24 : 2,624.22 = 516.66 : x
  2. Step 2: Convert to fraction form
    1,749.24/2,624.22 = 516.66/x
  3. Step 3: Cross multiply
    1,749.24x = 2,624.22 × 516.66
  4. Step 4: Simplify right side
    1,749.24x = 1,355,829.51
  5. Step 5: Solve for x
    x = 1,355,829.51/1,749.24
  6. Step 6: Final answer
    x = 775.10

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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.