Home / 3,817.60-5,725.49-2,831.63

Finding the Fourth Proportional to 3,817.60, 5,725.49 and 2,831.63

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Solution

The fourth proportional to 3,817.60, 5,725.49 and 2,831.63 is: 4,246.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.60 : 5,725.49 = 2,831.63 : x
  2. Step 2: Convert to fraction form
    3,817.60/5,725.49 = 2,831.63/x
  3. Step 3: Cross multiply
    3,817.60x = 5,725.49 × 2,831.63
  4. Step 4: Simplify right side
    3,817.60x = 16,212,426.46
  5. Step 5: Solve for x
    x = 16,212,426.46/3,817.60
  6. Step 6: Final answer
    x = 4,246.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.