Home / 3,774.32-5,661.78-1,177.28

Finding the Fourth Proportional to 3,774.32, 5,661.78 and 1,177.28

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Solution

The fourth proportional to 3,774.32, 5,661.78 and 1,177.28 is: 1,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.32 : 5,661.78 = 1,177.28 : x
  2. Step 2: Convert to fraction form
    3,774.32/5,661.78 = 1,177.28/x
  3. Step 3: Cross multiply
    3,774.32x = 5,661.78 × 1,177.28
  4. Step 4: Simplify right side
    3,774.32x = 6,665,500.36
  5. Step 5: Solve for x
    x = 6,665,500.36/3,774.32
  6. Step 6: Final answer
    x = 1,766.01

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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.