Home / 2,910.24-4,014.96-1,914.24

Finding the Fourth Proportional to 2,910.24, 4,014.96 and 1,914.24

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Solution

The fourth proportional to 2,910.24, 4,014.96 and 1,914.24 is: 2,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.24 : 4,014.96 = 1,914.24 : x
  2. Step 2: Convert to fraction form
    2,910.24/4,014.96 = 1,914.24/x
  3. Step 3: Cross multiply
    2,910.24x = 4,014.96 × 1,914.24
  4. Step 4: Simplify right side
    2,910.24x = 7,685,597.03
  5. Step 5: Solve for x
    x = 7,685,597.03/2,910.24
  6. Step 6: Final answer
    x = 2,640.88

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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.