Home / 3,787.09-5,226.19-2,108.63

Finding the Fourth Proportional to 3,787.09, 5,226.19 and 2,108.63

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Solution

The fourth proportional to 3,787.09, 5,226.19 and 2,108.63 is: 2,909.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.09 : 5,226.19 = 2,108.63 : x
  2. Step 2: Convert to fraction form
    3,787.09/5,226.19 = 2,108.63/x
  3. Step 3: Cross multiply
    3,787.09x = 5,226.19 × 2,108.63
  4. Step 4: Simplify right side
    3,787.09x = 11,020,108.81
  5. Step 5: Solve for x
    x = 11,020,108.81/3,787.09
  6. Step 6: Final answer
    x = 2,909.92

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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.