Home / 2,424.40-3,634.20-1,190.80

Finding the Fourth Proportional to 2,424.40, 3,634.20 and 1,190.80

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Solution

The fourth proportional to 2,424.40, 3,634.20 and 1,190.80 is: 1,785.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.40 : 3,634.20 = 1,190.80 : x
  2. Step 2: Convert to fraction form
    2,424.40/3,634.20 = 1,190.80/x
  3. Step 3: Cross multiply
    2,424.40x = 3,634.20 × 1,190.80
  4. Step 4: Simplify right side
    2,424.40x = 4,327,605.36
  5. Step 5: Solve for x
    x = 4,327,605.36/2,424.40
  6. Step 6: Final answer
    x = 1,785.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.