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Finding the Fourth Proportional to 3,891.58, 5,827.65 and 2,426.29

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Solution

The fourth proportional to 3,891.58, 5,827.65 and 2,426.29 is: 3,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.58 : 5,827.65 = 2,426.29 : x
  2. Step 2: Convert to fraction form
    3,891.58/5,827.65 = 2,426.29/x
  3. Step 3: Cross multiply
    3,891.58x = 5,827.65 × 2,426.29
  4. Step 4: Simplify right side
    3,891.58x = 14,139,568.92
  5. Step 5: Solve for x
    x = 14,139,568.92/3,891.58
  6. Step 6: Final answer
    x = 3,633.37

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1.5x scale

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.