Home / 3,385.52-4,671.92-1,893.47

Finding the Fourth Proportional to 3,385.52, 4,671.92 and 1,893.47

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Solution

The fourth proportional to 3,385.52, 4,671.92 and 1,893.47 is: 2,612.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.52 : 4,671.92 = 1,893.47 : x
  2. Step 2: Convert to fraction form
    3,385.52/4,671.92 = 1,893.47/x
  3. Step 3: Cross multiply
    3,385.52x = 4,671.92 × 1,893.47
  4. Step 4: Simplify right side
    3,385.52x = 8,846,107.54
  5. Step 5: Solve for x
    x = 8,846,107.54/3,385.52
  6. Step 6: Final answer
    x = 2,612.92

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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.