Home / 2,910.35-4,016.28-1,584.05

Finding the Fourth Proportional to 2,910.35, 4,016.28 and 1,584.05

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Solution

The fourth proportional to 2,910.35, 4,016.28 and 1,584.05 is: 2,185.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.35 : 4,016.28 = 1,584.05 : x
  2. Step 2: Convert to fraction form
    2,910.35/4,016.28 = 1,584.05/x
  3. Step 3: Cross multiply
    2,910.35x = 4,016.28 × 1,584.05
  4. Step 4: Simplify right side
    2,910.35x = 6,361,990.10
  5. Step 5: Solve for x
    x = 6,361,990.10/2,910.35
  6. Step 6: Final answer
    x = 2,185.99

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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.