Home / 2,619.10-3,620.13-2,301.98

Finding the Fourth Proportional to 2,619.10, 3,620.13 and 2,301.98

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Solution

The fourth proportional to 2,619.10, 3,620.13 and 2,301.98 is: 3,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619.10 : 3,620.13 = 2,301.98 : x
  2. Step 2: Convert to fraction form
    2,619.10/3,620.13 = 2,301.98/x
  3. Step 3: Cross multiply
    2,619.10x = 3,620.13 × 2,301.98
  4. Step 4: Simplify right side
    2,619.10x = 8,333,466.86
  5. Step 5: Solve for x
    x = 8,333,466.86/2,619.10
  6. Step 6: Final answer
    x = 3,181.81

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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.