Home / 3,889.20-5,827.66-2,426.16

Finding the Fourth Proportional to 3,889.20, 5,827.66 and 2,426.16

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Solution

The fourth proportional to 3,889.20, 5,827.66 and 2,426.16 is: 3,635.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.20 : 5,827.66 = 2,426.16 : x
  2. Step 2: Convert to fraction form
    3,889.20/5,827.66 = 2,426.16/x
  3. Step 3: Cross multiply
    3,889.20x = 5,827.66 × 2,426.16
  4. Step 4: Simplify right side
    3,889.20x = 14,138,835.59
  5. Step 5: Solve for x
    x = 14,138,835.59/3,889.20
  6. Step 6: Final answer
    x = 3,635.41

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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.