Home / 1,749.68-2,624.44-517.12

Finding the Fourth Proportional to 1,749.68, 2,624.44 and 517.12

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Solution

The fourth proportional to 1,749.68, 2,624.44 and 517.12 is: 775.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.68 : 2,624.44 = 517.12 : x
  2. Step 2: Convert to fraction form
    1,749.68/2,624.44 = 517.12/x
  3. Step 3: Cross multiply
    1,749.68x = 2,624.44 × 517.12
  4. Step 4: Simplify right side
    1,749.68x = 1,357,150.41
  5. Step 5: Solve for x
    x = 1,357,150.41/1,749.68
  6. Step 6: Final answer
    x = 775.66

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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.