Home / 2,910.45-4,016.34-1,584.21

Finding the Fourth Proportional to 2,910.45, 4,016.34 and 1,584.21

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Solution

The fourth proportional to 2,910.45, 4,016.34 and 1,584.21 is: 2,186.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.45 : 4,016.34 = 1,584.21 : x
  2. Step 2: Convert to fraction form
    2,910.45/4,016.34 = 1,584.21/x
  3. Step 3: Cross multiply
    2,910.45x = 4,016.34 × 1,584.21
  4. Step 4: Simplify right side
    2,910.45x = 6,362,725.99
  5. Step 5: Solve for x
    x = 6,362,725.99/2,910.45
  6. Step 6: Final answer
    x = 2,186.17

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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.