Home / 1,749.69-2,624.91-517.19

Finding the Fourth Proportional to 1,749.69, 2,624.91 and 517.19

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Solution

The fourth proportional to 1,749.69, 2,624.91 and 517.19 is: 775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.69 : 2,624.91 = 517.19 : x
  2. Step 2: Convert to fraction form
    1,749.69/2,624.91 = 517.19/x
  3. Step 3: Cross multiply
    1,749.69x = 2,624.91 × 517.19
  4. Step 4: Simplify right side
    1,749.69x = 1,357,582.02
  5. Step 5: Solve for x
    x = 1,357,582.02/1,749.69
  6. Step 6: Final answer
    x = 775.90

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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.