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Finding the Fourth Proportional to 3,339.68, 4,609.32 and 1,943.24

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Solution

The fourth proportional to 3,339.68, 4,609.32 and 1,943.24 is: 2,682.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.68 : 4,609.32 = 1,943.24 : x
  2. Step 2: Convert to fraction form
    3,339.68/4,609.32 = 1,943.24/x
  3. Step 3: Cross multiply
    3,339.68x = 4,609.32 × 1,943.24
  4. Step 4: Simplify right side
    3,339.68x = 8,957,015.00
  5. Step 5: Solve for x
    x = 8,957,015.00/3,339.68
  6. Step 6: Final answer
    x = 2,682.00

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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.