Home / 3,385.09-4,671.44-1,893.11

Finding the Fourth Proportional to 3,385.09, 4,671.44 and 1,893.11

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Solution

The fourth proportional to 3,385.09, 4,671.44 and 1,893.11 is: 2,612.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.09 : 4,671.44 = 1,893.11 : x
  2. Step 2: Convert to fraction form
    3,385.09/4,671.44 = 1,893.11/x
  3. Step 3: Cross multiply
    3,385.09x = 4,671.44 × 1,893.11
  4. Step 4: Simplify right side
    3,385.09x = 8,843,524.05
  5. Step 5: Solve for x
    x = 8,843,524.05/3,385.09
  6. Step 6: Final answer
    x = 2,612.49

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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.