Home / 3,619.76-4,992.36-2,360.72

Finding the Fourth Proportional to 3,619.76, 4,992.36 and 2,360.72

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Solution

The fourth proportional to 3,619.76, 4,992.36 and 2,360.72 is: 3,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.76 : 4,992.36 = 2,360.72 : x
  2. Step 2: Convert to fraction form
    3,619.76/4,992.36 = 2,360.72/x
  3. Step 3: Cross multiply
    3,619.76x = 4,992.36 × 2,360.72
  4. Step 4: Simplify right side
    3,619.76x = 11,785,564.10
  5. Step 5: Solve for x
    x = 11,785,564.10/3,619.76
  6. Step 6: Final answer
    x = 3,255.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.