Home / 2,910.86-4,017.98-1,791.85

Finding the Fourth Proportional to 2,910.86, 4,017.98 and 1,791.85

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Solution

The fourth proportional to 2,910.86, 4,017.98 and 1,791.85 is: 2,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.86 : 4,017.98 = 1,791.85 : x
  2. Step 2: Convert to fraction form
    2,910.86/4,017.98 = 1,791.85/x
  3. Step 3: Cross multiply
    2,910.86x = 4,017.98 × 1,791.85
  4. Step 4: Simplify right side
    2,910.86x = 7,199,617.46
  5. Step 5: Solve for x
    x = 7,199,617.46/2,910.86
  6. Step 6: Final answer
    x = 2,473.36

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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.