Home / 2,850.18-3,932.19-1,670.82

Finding the Fourth Proportional to 2,850.18, 3,932.19 and 1,670.82

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Solution

The fourth proportional to 2,850.18, 3,932.19 and 1,670.82 is: 2,305.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.18 : 3,932.19 = 1,670.82 : x
  2. Step 2: Convert to fraction form
    2,850.18/3,932.19 = 1,670.82/x
  3. Step 3: Cross multiply
    2,850.18x = 3,932.19 × 1,670.82
  4. Step 4: Simplify right side
    2,850.18x = 6,569,981.70
  5. Step 5: Solve for x
    x = 6,569,981.70/2,850.18
  6. Step 6: Final answer
    x = 2,305.11

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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.