Home / 2,827.45-3,901.88-1,568.71

Finding the Fourth Proportional to 2,827.45, 3,901.88 and 1,568.71

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Solution

The fourth proportional to 2,827.45, 3,901.88 and 1,568.71 is: 2,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.45 : 3,901.88 = 1,568.71 : x
  2. Step 2: Convert to fraction form
    2,827.45/3,901.88 = 1,568.71/x
  3. Step 3: Cross multiply
    2,827.45x = 3,901.88 × 1,568.71
  4. Step 4: Simplify right side
    2,827.45x = 6,120,890.82
  5. Step 5: Solve for x
    x = 6,120,890.82/2,827.45
  6. Step 6: Final answer
    x = 2,164.81

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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.