Home / 2,910.97-4,362.53-2,087.44

Finding the Fourth Proportional to 2,910.97, 4,362.53 and 2,087.44

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Solution

The fourth proportional to 2,910.97, 4,362.53 and 2,087.44 is: 3,128.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.97 : 4,362.53 = 2,087.44 : x
  2. Step 2: Convert to fraction form
    2,910.97/4,362.53 = 2,087.44/x
  3. Step 3: Cross multiply
    2,910.97x = 4,362.53 × 2,087.44
  4. Step 4: Simplify right side
    2,910.97x = 9,106,498.28
  5. Step 5: Solve for x
    x = 9,106,498.28/2,910.97
  6. Step 6: Final answer
    x = 3,128.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.