Home / 3,787.29-5,226.54-2,108.77

Finding the Fourth Proportional to 3,787.29, 5,226.54 and 2,108.77

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Solution

The fourth proportional to 3,787.29, 5,226.54 and 2,108.77 is: 2,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.29 : 5,226.54 = 2,108.77 : x
  2. Step 2: Convert to fraction form
    3,787.29/5,226.54 = 2,108.77/x
  3. Step 3: Cross multiply
    3,787.29x = 5,226.54 × 2,108.77
  4. Step 4: Simplify right side
    3,787.29x = 11,021,570.76
  5. Step 5: Solve for x
    x = 11,021,570.76/3,787.29
  6. Step 6: Final answer
    x = 2,910.15

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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.