Home / 2,418.24-3,627.88-1,263.68

Finding the Fourth Proportional to 2,418.24, 3,627.88 and 1,263.68

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Solution

The fourth proportional to 2,418.24, 3,627.88 and 1,263.68 is: 1,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.24 : 3,627.88 = 1,263.68 : x
  2. Step 2: Convert to fraction form
    2,418.24/3,627.88 = 1,263.68/x
  3. Step 3: Cross multiply
    2,418.24x = 3,627.88 × 1,263.68
  4. Step 4: Simplify right side
    2,418.24x = 4,584,479.40
  5. Step 5: Solve for x
    x = 4,584,479.40/2,418.24
  6. Step 6: Final answer
    x = 1,895.79

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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.