Home / 2,910.32-4,016.28-1,651.28

Finding the Fourth Proportional to 2,910.32, 4,016.28 and 1,651.28

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Solution

The fourth proportional to 2,910.32, 4,016.28 and 1,651.28 is: 2,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.32 : 4,016.28 = 1,651.28 : x
  2. Step 2: Convert to fraction form
    2,910.32/4,016.28 = 1,651.28/x
  3. Step 3: Cross multiply
    2,910.32x = 4,016.28 × 1,651.28
  4. Step 4: Simplify right side
    2,910.32x = 6,632,002.84
  5. Step 5: Solve for x
    x = 6,632,002.84/2,910.32
  6. Step 6: Final answer
    x = 2,278.79

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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.