Home / 2,620.15-3,615.44-1,441.29

Finding the Fourth Proportional to 2,620.15, 3,615.44 and 1,441.29

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Solution

The fourth proportional to 2,620.15, 3,615.44 and 1,441.29 is: 1,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.15 : 3,615.44 = 1,441.29 : x
  2. Step 2: Convert to fraction form
    2,620.15/3,615.44 = 1,441.29/x
  3. Step 3: Cross multiply
    2,620.15x = 3,615.44 × 1,441.29
  4. Step 4: Simplify right side
    2,620.15x = 5,210,903.87
  5. Step 5: Solve for x
    x = 5,210,903.87/2,620.15
  6. Step 6: Final answer
    x = 1,988.78

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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.