Home / 3,865.41-5,807.61-2,479.32

Finding the Fourth Proportional to 3,865.41, 5,807.61 and 2,479.32

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Solution

The fourth proportional to 3,865.41, 5,807.61 and 2,479.32 is: 3,725.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.41 : 5,807.61 = 2,479.32 : x
  2. Step 2: Convert to fraction form
    3,865.41/5,807.61 = 2,479.32/x
  3. Step 3: Cross multiply
    3,865.41x = 5,807.61 × 2,479.32
  4. Step 4: Simplify right side
    3,865.41x = 14,398,923.63
  5. Step 5: Solve for x
    x = 14,398,923.63/3,865.41
  6. Step 6: Final answer
    x = 3,725.07

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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.