Home / 3,371.91-4,651.34-2,127.75

Finding the Fourth Proportional to 3,371.91, 4,651.34 and 2,127.75

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Solution

The fourth proportional to 3,371.91, 4,651.34 and 2,127.75 is: 2,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.91 : 4,651.34 = 2,127.75 : x
  2. Step 2: Convert to fraction form
    3,371.91/4,651.34 = 2,127.75/x
  3. Step 3: Cross multiply
    3,371.91x = 4,651.34 × 2,127.75
  4. Step 4: Simplify right side
    3,371.91x = 9,896,878.05
  5. Step 5: Solve for x
    x = 9,896,878.05/3,371.91
  6. Step 6: Final answer
    x = 2,935.10

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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.