Home / 3,908.11-5,393.71-2,314.63

Finding the Fourth Proportional to 3,908.11, 5,393.71 and 2,314.63

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Solution

The fourth proportional to 3,908.11, 5,393.71 and 2,314.63 is: 3,194.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.11 : 5,393.71 = 2,314.63 : x
  2. Step 2: Convert to fraction form
    3,908.11/5,393.71 = 2,314.63/x
  3. Step 3: Cross multiply
    3,908.11x = 5,393.71 × 2,314.63
  4. Step 4: Simplify right side
    3,908.11x = 12,484,441.77
  5. Step 5: Solve for x
    x = 12,484,441.77/3,908.11
  6. Step 6: Final answer
    x = 3,194.50

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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.