Home / 2,850.15-3,932.79-1,671.60

Finding the Fourth Proportional to 2,850.15, 3,932.79 and 1,671.60

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Solution

The fourth proportional to 2,850.15, 3,932.79 and 1,671.60 is: 2,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.15 : 3,932.79 = 1,671.60 : x
  2. Step 2: Convert to fraction form
    2,850.15/3,932.79 = 1,671.60/x
  3. Step 3: Cross multiply
    2,850.15x = 3,932.79 × 1,671.60
  4. Step 4: Simplify right side
    2,850.15x = 6,574,051.76
  5. Step 5: Solve for x
    x = 6,574,051.76/2,850.15
  6. Step 6: Final answer
    x = 2,306.56

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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.