Home / 3,385.13-4,671.51-1,893.13

Finding the Fourth Proportional to 3,385.13, 4,671.51 and 1,893.13

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Solution

The fourth proportional to 3,385.13, 4,671.51 and 1,893.13 is: 2,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.13 : 4,671.51 = 1,893.13 : x
  2. Step 2: Convert to fraction form
    3,385.13/4,671.51 = 1,893.13/x
  3. Step 3: Cross multiply
    3,385.13x = 4,671.51 × 1,893.13
  4. Step 4: Simplify right side
    3,385.13x = 8,843,775.73
  5. Step 5: Solve for x
    x = 8,843,775.73/3,385.13
  6. Step 6: Final answer
    x = 2,612.54

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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.