Home / 3,787.29-5,226.44-2,108.70

Finding the Fourth Proportional to 3,787.29, 5,226.44 and 2,108.70

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Solution

The fourth proportional to 3,787.29, 5,226.44 and 2,108.70 is: 2,909.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.29 : 5,226.44 = 2,108.70 : x
  2. Step 2: Convert to fraction form
    3,787.29/5,226.44 = 2,108.70/x
  3. Step 3: Cross multiply
    3,787.29x = 5,226.44 × 2,108.70
  4. Step 4: Simplify right side
    3,787.29x = 11,020,983.48
  5. Step 5: Solve for x
    x = 11,020,983.48/3,787.29
  6. Step 6: Final answer
    x = 2,909.99

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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.