Home / 2,850.25-3,933.88-1,671.32

Finding the Fourth Proportional to 2,850.25, 3,933.88 and 1,671.32

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Solution

The fourth proportional to 2,850.25, 3,933.88 and 1,671.32 is: 2,306.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.25 : 3,933.88 = 1,671.32 : x
  2. Step 2: Convert to fraction form
    2,850.25/3,933.88 = 1,671.32/x
  3. Step 3: Cross multiply
    2,850.25x = 3,933.88 × 1,671.32
  4. Step 4: Simplify right side
    2,850.25x = 6,574,772.32
  5. Step 5: Solve for x
    x = 6,574,772.32/2,850.25
  6. Step 6: Final answer
    x = 2,306.74

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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.