Home / 3,400.25-4,691.43-2,141.91

Finding the Fourth Proportional to 3,400.25, 4,691.43 and 2,141.91

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Solution

The fourth proportional to 3,400.25, 4,691.43 and 2,141.91 is: 2,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.25 : 4,691.43 = 2,141.91 : x
  2. Step 2: Convert to fraction form
    3,400.25/4,691.43 = 2,141.91/x
  3. Step 3: Cross multiply
    3,400.25x = 4,691.43 × 2,141.91
  4. Step 4: Simplify right side
    3,400.25x = 10,048,620.83
  5. Step 5: Solve for x
    x = 10,048,620.83/3,400.25
  6. Step 6: Final answer
    x = 2,955.26

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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.