Home / 2,827.71-3,901.91-1,648.62

Finding the Fourth Proportional to 2,827.71, 3,901.91 and 1,648.62

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Solution

The fourth proportional to 2,827.71, 3,901.91 and 1,648.62 is: 2,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.71 : 3,901.91 = 1,648.62 : x
  2. Step 2: Convert to fraction form
    2,827.71/3,901.91 = 1,648.62/x
  3. Step 3: Cross multiply
    2,827.71x = 3,901.91 × 1,648.62
  4. Step 4: Simplify right side
    2,827.71x = 6,432,758.62
  5. Step 5: Solve for x
    x = 6,432,758.62/2,827.71
  6. Step 6: Final answer
    x = 2,274.90

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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.