Home / 3,482.10-5,213.70-2,388.60

Finding the Fourth Proportional to 3,482.10, 5,213.70 and 2,388.60

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Solution

The fourth proportional to 3,482.10, 5,213.70 and 2,388.60 is: 3,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.10 : 5,213.70 = 2,388.60 : x
  2. Step 2: Convert to fraction form
    3,482.10/5,213.70 = 2,388.60/x
  3. Step 3: Cross multiply
    3,482.10x = 5,213.70 × 2,388.60
  4. Step 4: Simplify right side
    3,482.10x = 12,453,443.82
  5. Step 5: Solve for x
    x = 12,453,443.82/3,482.10
  6. Step 6: Final answer
    x = 3,576.42

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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.