Home / 3,619.92-4,995.40-2,048.02

Finding the Fourth Proportional to 3,619.92, 4,995.40 and 2,048.02

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Solution

The fourth proportional to 3,619.92, 4,995.40 and 2,048.02 is: 2,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.92 : 4,995.40 = 2,048.02 : x
  2. Step 2: Convert to fraction form
    3,619.92/4,995.40 = 2,048.02/x
  3. Step 3: Cross multiply
    3,619.92x = 4,995.40 × 2,048.02
  4. Step 4: Simplify right side
    3,619.92x = 10,230,679.11
  5. Step 5: Solve for x
    x = 10,230,679.11/3,619.92
  6. Step 6: Final answer
    x = 2,826.22

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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.