Home / 3,873.45-5,345.73-2,194.93

Finding the Fourth Proportional to 3,873.45, 5,345.73 and 2,194.93

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Solution

The fourth proportional to 3,873.45, 5,345.73 and 2,194.93 is: 3,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.45 : 5,345.73 = 2,194.93 : x
  2. Step 2: Convert to fraction form
    3,873.45/5,345.73 = 2,194.93/x
  3. Step 3: Cross multiply
    3,873.45x = 5,345.73 × 2,194.93
  4. Step 4: Simplify right side
    3,873.45x = 11,733,509.83
  5. Step 5: Solve for x
    x = 11,733,509.83/3,873.45
  6. Step 6: Final answer
    x = 3,029.21

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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.