Home / 2,827.20-3,901.32-1,568.10

Finding the Fourth Proportional to 2,827.20, 3,901.32 and 1,568.10

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Solution

The fourth proportional to 2,827.20, 3,901.32 and 1,568.10 is: 2,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.20 : 3,901.32 = 1,568.10 : x
  2. Step 2: Convert to fraction form
    2,827.20/3,901.32 = 1,568.10/x
  3. Step 3: Cross multiply
    2,827.20x = 3,901.32 × 1,568.10
  4. Step 4: Simplify right side
    2,827.20x = 6,117,659.89
  5. Step 5: Solve for x
    x = 6,117,659.89/2,827.20
  6. Step 6: Final answer
    x = 2,163.86

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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.