Home / 3,727.71-5,146.49-2,469.83

Finding the Fourth Proportional to 3,727.71, 5,146.49 and 2,469.83

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Solution

The fourth proportional to 3,727.71, 5,146.49 and 2,469.83 is: 3,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.71 : 5,146.49 = 2,469.83 : x
  2. Step 2: Convert to fraction form
    3,727.71/5,146.49 = 2,469.83/x
  3. Step 3: Cross multiply
    3,727.71x = 5,146.49 × 2,469.83
  4. Step 4: Simplify right side
    3,727.71x = 12,710,955.40
  5. Step 5: Solve for x
    x = 12,710,955.40/3,727.71
  6. Step 6: Final answer
    x = 3,409.86

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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.