Home / 2,418.91-3,629.58-1,803.85

Finding the Fourth Proportional to 2,418.91, 3,629.58 and 1,803.85

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Solution

The fourth proportional to 2,418.91, 3,629.58 and 1,803.85 is: 2,706.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.91 : 3,629.58 = 1,803.85 : x
  2. Step 2: Convert to fraction form
    2,418.91/3,629.58 = 1,803.85/x
  3. Step 3: Cross multiply
    2,418.91x = 3,629.58 × 1,803.85
  4. Step 4: Simplify right side
    2,418.91x = 6,547,190.72
  5. Step 5: Solve for x
    x = 6,547,190.72/2,418.91
  6. Step 6: Final answer
    x = 2,706.68

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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.