Home / 3,379.61-4,663.82-1,963.29

Finding the Fourth Proportional to 3,379.61, 4,663.82 and 1,963.29

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Solution

The fourth proportional to 3,379.61, 4,663.82 and 1,963.29 is: 2,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.61 : 4,663.82 = 1,963.29 : x
  2. Step 2: Convert to fraction form
    3,379.61/4,663.82 = 1,963.29/x
  3. Step 3: Cross multiply
    3,379.61x = 4,663.82 × 1,963.29
  4. Step 4: Simplify right side
    3,379.61x = 9,156,421.35
  5. Step 5: Solve for x
    x = 9,156,421.35/3,379.61
  6. Step 6: Final answer
    x = 2,709.32

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1.5x scale

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.