Home / 3,905.71-5,853.77-2,422.65

Finding the Fourth Proportional to 3,905.71, 5,853.77 and 2,422.65

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Solution

The fourth proportional to 3,905.71, 5,853.77 and 2,422.65 is: 3,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.71 : 5,853.77 = 2,422.65 : x
  2. Step 2: Convert to fraction form
    3,905.71/5,853.77 = 2,422.65/x
  3. Step 3: Cross multiply
    3,905.71x = 5,853.77 × 2,422.65
  4. Step 4: Simplify right side
    3,905.71x = 14,181,635.89
  5. Step 5: Solve for x
    x = 14,181,635.89/3,905.71
  6. Step 6: Final answer
    x = 3,631.00

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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.