Home / 2,787.12-3,845.25-1,792.98

Finding the Fourth Proportional to 2,787.12, 3,845.25 and 1,792.98

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Solution

The fourth proportional to 2,787.12, 3,845.25 and 1,792.98 is: 2,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.12 : 3,845.25 = 1,792.98 : x
  2. Step 2: Convert to fraction form
    2,787.12/3,845.25 = 1,792.98/x
  3. Step 3: Cross multiply
    2,787.12x = 3,845.25 × 1,792.98
  4. Step 4: Simplify right side
    2,787.12x = 6,894,456.35
  5. Step 5: Solve for x
    x = 6,894,456.35/2,787.12
  6. Step 6: Final answer
    x = 2,473.68

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1.5x scale

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.