Home / 3,382.72-4,666.08-2,141.44

Finding the Fourth Proportional to 3,382.72, 4,666.08 and 2,141.44

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Solution

The fourth proportional to 3,382.72, 4,666.08 and 2,141.44 is: 2,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.72 : 4,666.08 = 2,141.44 : x
  2. Step 2: Convert to fraction form
    3,382.72/4,666.08 = 2,141.44/x
  3. Step 3: Cross multiply
    3,382.72x = 4,666.08 × 2,141.44
  4. Step 4: Simplify right side
    3,382.72x = 9,992,130.36
  5. Step 5: Solve for x
    x = 9,992,130.36/3,382.72
  6. Step 6: Final answer
    x = 2,953.87

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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.