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Finding the Fourth Proportional to 3,408.38, 4,703.49 and 1,895.84

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Solution

The fourth proportional to 3,408.38, 4,703.49 and 1,895.84 is: 2,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.38 : 4,703.49 = 1,895.84 : x
  2. Step 2: Convert to fraction form
    3,408.38/4,703.49 = 1,895.84/x
  3. Step 3: Cross multiply
    3,408.38x = 4,703.49 × 1,895.84
  4. Step 4: Simplify right side
    3,408.38x = 8,917,064.48
  5. Step 5: Solve for x
    x = 8,917,064.48/3,408.38
  6. Step 6: Final answer
    x = 2,616.22

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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.