Home / 3,385.53-4,671.62-1,872.88

Finding the Fourth Proportional to 3,385.53, 4,671.62 and 1,872.88

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Solution

The fourth proportional to 3,385.53, 4,671.62 and 1,872.88 is: 2,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.53 : 4,671.62 = 1,872.88 : x
  2. Step 2: Convert to fraction form
    3,385.53/4,671.62 = 1,872.88/x
  3. Step 3: Cross multiply
    3,385.53x = 4,671.62 × 1,872.88
  4. Step 4: Simplify right side
    3,385.53x = 8,749,374.30
  5. Step 5: Solve for x
    x = 8,749,374.30/3,385.53
  6. Step 6: Final answer
    x = 2,584.35

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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.