Home / 2,827.59-3,901.86-1,631.71

Finding the Fourth Proportional to 2,827.59, 3,901.86 and 1,631.71

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Solution

The fourth proportional to 2,827.59, 3,901.86 and 1,631.71 is: 2,251.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.59 : 3,901.86 = 1,631.71 : x
  2. Step 2: Convert to fraction form
    2,827.59/3,901.86 = 1,631.71/x
  3. Step 3: Cross multiply
    2,827.59x = 3,901.86 × 1,631.71
  4. Step 4: Simplify right side
    2,827.59x = 6,366,703.98
  5. Step 5: Solve for x
    x = 6,366,703.98/2,827.59
  6. Step 6: Final answer
    x = 2,251.64

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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.