Home / 3,889.66-5,835.41-2,390.35

Finding the Fourth Proportional to 3,889.66, 5,835.41 and 2,390.35

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Solution

The fourth proportional to 3,889.66, 5,835.41 and 2,390.35 is: 3,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.66 : 5,835.41 = 2,390.35 : x
  2. Step 2: Convert to fraction form
    3,889.66/5,835.41 = 2,390.35/x
  3. Step 3: Cross multiply
    3,889.66x = 5,835.41 × 2,390.35
  4. Step 4: Simplify right side
    3,889.66x = 13,948,667.64
  5. Step 5: Solve for x
    x = 13,948,667.64/3,889.66
  6. Step 6: Final answer
    x = 3,586.09

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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.