Home / 2,385.18-3,282.57-2,016.99

Finding the Fourth Proportional to 2,385.18, 3,282.57 and 2,016.99

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Solution

The fourth proportional to 2,385.18, 3,282.57 and 2,016.99 is: 2,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.18 : 3,282.57 = 2,016.99 : x
  2. Step 2: Convert to fraction form
    2,385.18/3,282.57 = 2,016.99/x
  3. Step 3: Cross multiply
    2,385.18x = 3,282.57 × 2,016.99
  4. Step 4: Simplify right side
    2,385.18x = 6,620,910.86
  5. Step 5: Solve for x
    x = 6,620,910.86/2,385.18
  6. Step 6: Final answer
    x = 2,775.85

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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.