Home / 3,775.21-5,661.53-1,434.65

Finding the Fourth Proportional to 3,775.21, 5,661.53 and 1,434.65

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Solution

The fourth proportional to 3,775.21, 5,661.53 and 1,434.65 is: 2,151.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.21 : 5,661.53 = 1,434.65 : x
  2. Step 2: Convert to fraction form
    3,775.21/5,661.53 = 1,434.65/x
  3. Step 3: Cross multiply
    3,775.21x = 5,661.53 × 1,434.65
  4. Step 4: Simplify right side
    3,775.21x = 8,122,292.69
  5. Step 5: Solve for x
    x = 8,122,292.69/3,775.21
  6. Step 6: Final answer
    x = 2,151.48

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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.