Home / 2,620.19-3,615.87-1,441.24

Finding the Fourth Proportional to 2,620.19, 3,615.87 and 1,441.24

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Solution

The fourth proportional to 2,620.19, 3,615.87 and 1,441.24 is: 1,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.19 : 3,615.87 = 1,441.24 : x
  2. Step 2: Convert to fraction form
    2,620.19/3,615.87 = 1,441.24/x
  3. Step 3: Cross multiply
    2,620.19x = 3,615.87 × 1,441.24
  4. Step 4: Simplify right side
    2,620.19x = 5,211,311.19
  5. Step 5: Solve for x
    x = 5,211,311.19/2,620.19
  6. Step 6: Final answer
    x = 1,988.91

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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.