Home / 3,914.73-5,400.07-2,341.91

Finding the Fourth Proportional to 3,914.73, 5,400.07 and 2,341.91

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Solution

The fourth proportional to 3,914.73, 5,400.07 and 2,341.91 is: 3,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.73 : 5,400.07 = 2,341.91 : x
  2. Step 2: Convert to fraction form
    3,914.73/5,400.07 = 2,341.91/x
  3. Step 3: Cross multiply
    3,914.73x = 5,400.07 × 2,341.91
  4. Step 4: Simplify right side
    3,914.73x = 12,646,485.58
  5. Step 5: Solve for x
    x = 12,646,485.58/3,914.73
  6. Step 6: Final answer
    x = 3,230.49

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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.