Home / 3,379.39-4,663.22-1,943.72

Finding the Fourth Proportional to 3,379.39, 4,663.22 and 1,943.72

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Solution

The fourth proportional to 3,379.39, 4,663.22 and 1,943.72 is: 2,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.39 : 4,663.22 = 1,943.72 : x
  2. Step 2: Convert to fraction form
    3,379.39/4,663.22 = 1,943.72/x
  3. Step 3: Cross multiply
    3,379.39x = 4,663.22 × 1,943.72
  4. Step 4: Simplify right side
    3,379.39x = 9,064,000.02
  5. Step 5: Solve for x
    x = 9,064,000.02/3,379.39
  6. Step 6: Final answer
    x = 2,682.14

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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.