Home / 3,822.76-5,740.75-2,272.51

Finding the Fourth Proportional to 3,822.76, 5,740.75 and 2,272.51

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Solution

The fourth proportional to 3,822.76, 5,740.75 and 2,272.51 is: 3,412.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.76 : 5,740.75 = 2,272.51 : x
  2. Step 2: Convert to fraction form
    3,822.76/5,740.75 = 2,272.51/x
  3. Step 3: Cross multiply
    3,822.76x = 5,740.75 × 2,272.51
  4. Step 4: Simplify right side
    3,822.76x = 13,045,911.78
  5. Step 5: Solve for x
    x = 13,045,911.78/3,822.76
  6. Step 6: Final answer
    x = 3,412.69

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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.