Home / 3,775.27-5,661.20-1,141.76

Finding the Fourth Proportional to 3,775.27, 5,661.20 and 1,141.76

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Solution

The fourth proportional to 3,775.27, 5,661.20 and 1,141.76 is: 1,712.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.27 : 5,661.20 = 1,141.76 : x
  2. Step 2: Convert to fraction form
    3,775.27/5,661.20 = 1,141.76/x
  3. Step 3: Cross multiply
    3,775.27x = 5,661.20 × 1,141.76
  4. Step 4: Simplify right side
    3,775.27x = 6,463,731.71
  5. Step 5: Solve for x
    x = 6,463,731.71/3,775.27
  6. Step 6: Final answer
    x = 1,712.12

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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.