Home / 2,906.58-4,011.75-1,910.01

Finding the Fourth Proportional to 2,906.58, 4,011.75 and 1,910.01

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Solution

The fourth proportional to 2,906.58, 4,011.75 and 1,910.01 is: 2,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.58 : 4,011.75 = 1,910.01 : x
  2. Step 2: Convert to fraction form
    2,906.58/4,011.75 = 1,910.01/x
  3. Step 3: Cross multiply
    2,906.58x = 4,011.75 × 1,910.01
  4. Step 4: Simplify right side
    2,906.58x = 7,662,482.62
  5. Step 5: Solve for x
    x = 7,662,482.62/2,906.58
  6. Step 6: Final answer
    x = 2,636.25

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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.