Home / 3,385.45-4,671.84-1,893.43

Finding the Fourth Proportional to 3,385.45, 4,671.84 and 1,893.43

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Solution

The fourth proportional to 3,385.45, 4,671.84 and 1,893.43 is: 2,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.45 : 4,671.84 = 1,893.43 : x
  2. Step 2: Convert to fraction form
    3,385.45/4,671.84 = 1,893.43/x
  3. Step 3: Cross multiply
    3,385.45x = 4,671.84 × 1,893.43
  4. Step 4: Simplify right side
    3,385.45x = 8,845,802.01
  5. Step 5: Solve for x
    x = 8,845,802.01/3,385.45
  6. Step 6: Final answer
    x = 2,612.89

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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.