Home / 3,619.85-4,995.63-2,026.64

Finding the Fourth Proportional to 3,619.85, 4,995.63 and 2,026.64

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Solution

The fourth proportional to 3,619.85, 4,995.63 and 2,026.64 is: 2,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.85 : 4,995.63 = 2,026.64 : x
  2. Step 2: Convert to fraction form
    3,619.85/4,995.63 = 2,026.64/x
  3. Step 3: Cross multiply
    3,619.85x = 4,995.63 × 2,026.64
  4. Step 4: Simplify right side
    3,619.85x = 10,124,343.58
  5. Step 5: Solve for x
    x = 10,124,343.58/3,619.85
  6. Step 6: Final answer
    x = 2,796.90

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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.