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Finding the Fourth Proportional to 1,568.63, 2,360.81 and 1,180.64

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Solution

The fourth proportional to 1,568.63, 2,360.81 and 1,180.64 is: 1,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.63 : 2,360.81 = 1,180.64 : x
  2. Step 2: Convert to fraction form
    1,568.63/2,360.81 = 1,180.64/x
  3. Step 3: Cross multiply
    1,568.63x = 2,360.81 × 1,180.64
  4. Step 4: Simplify right side
    1,568.63x = 2,787,253.44
  5. Step 5: Solve for x
    x = 2,787,253.44/1,568.63
  6. Step 6: Final answer
    x = 1,776.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.