Home / 3,423.31-5,135.01-1,202.05

Finding the Fourth Proportional to 3,423.31, 5,135.01 and 1,202.05

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Solution

The fourth proportional to 3,423.31, 5,135.01 and 1,202.05 is: 1,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.31 : 5,135.01 = 1,202.05 : x
  2. Step 2: Convert to fraction form
    3,423.31/5,135.01 = 1,202.05/x
  3. Step 3: Cross multiply
    3,423.31x = 5,135.01 × 1,202.05
  4. Step 4: Simplify right side
    3,423.31x = 6,172,554.82
  5. Step 5: Solve for x
    x = 6,172,554.82/3,423.31
  6. Step 6: Final answer
    x = 1,803.10

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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.