Home / 2,787.32-4,177.28-2,326

Finding the Fourth Proportional to 2,787.32, 4,177.28 and 2,326

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Solution

The fourth proportional to 2,787.32, 4,177.28 and 2,326 is: 3,485.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.32 : 4,177.28 = 2,326 : x
  2. Step 2: Convert to fraction form
    2,787.32/4,177.28 = 2,326/x
  3. Step 3: Cross multiply
    2,787.32x = 4,177.28 × 2,326
  4. Step 4: Simplify right side
    2,787.32x = 9,716,353.28
  5. Step 5: Solve for x
    x = 9,716,353.28/2,787.32
  6. Step 6: Final answer
    x = 3,485.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.