Home / 2,910.15-4,015.98-1,583.82

Finding the Fourth Proportional to 2,910.15, 4,015.98 and 1,583.82

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Solution

The fourth proportional to 2,910.15, 4,015.98 and 1,583.82 is: 2,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.15 : 4,015.98 = 1,583.82 : x
  2. Step 2: Convert to fraction form
    2,910.15/4,015.98 = 1,583.82/x
  3. Step 3: Cross multiply
    2,910.15x = 4,015.98 × 1,583.82
  4. Step 4: Simplify right side
    2,910.15x = 6,360,589.44
  5. Step 5: Solve for x
    x = 6,360,589.44/2,910.15
  6. Step 6: Final answer
    x = 2,185.66

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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.