Home / 3,385.42-4,671.38-1,893.12

Finding the Fourth Proportional to 3,385.42, 4,671.38 and 1,893.12

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Solution

The fourth proportional to 3,385.42, 4,671.38 and 1,893.12 is: 2,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.42 : 4,671.38 = 1,893.12 : x
  2. Step 2: Convert to fraction form
    3,385.42/4,671.38 = 1,893.12/x
  3. Step 3: Cross multiply
    3,385.42x = 4,671.38 × 1,893.12
  4. Step 4: Simplify right side
    3,385.42x = 8,843,482.91
  5. Step 5: Solve for x
    x = 8,843,482.91/3,385.42
  6. Step 6: Final answer
    x = 2,612.23

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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.