Home / 1,785.11-2,468.16-1,563.43

Finding the Fourth Proportional to 1,785.11, 2,468.16 and 1,563.43

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Solution

The fourth proportional to 1,785.11, 2,468.16 and 1,563.43 is: 2,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785.11 : 2,468.16 = 1,563.43 : x
  2. Step 2: Convert to fraction form
    1,785.11/2,468.16 = 1,563.43/x
  3. Step 3: Cross multiply
    1,785.11x = 2,468.16 × 1,563.43
  4. Step 4: Simplify right side
    1,785.11x = 3,858,792.91
  5. Step 5: Solve for x
    x = 3,858,792.91/1,785.11
  6. Step 6: Final answer
    x = 2,161.65

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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.